# What is CVE-2020-15799? > CVE-2020-15799 is a medium-severity flaw (CVSS 6.5) in Scalance X200-4pirt Firmware from Siemens, published on 12 January 2021. It is not on the list of flaws known to be exploited today. The latest forecast puts its chance of use in the next 30 days at 1.1%. If you run an affected version, plan in the vendor’s fix. Canonical page: https://www.precursorintelligence.com/what-is/cve-2020-15799 ## At a glance - **Verdict:** Plan it in. No sign of exploitation and a low forecast. Patch it in your normal update cycle. - **Precursor Intelligence risk score:** 31 out of 100 (Low); action: Monitor. Kept up to date as the evidence changes. - **Severity:** Medium (CVSS 6.5 out of 10) - **Known to be exploited:** No, not on the list of flaws known to be exploited today - **Chance of use in the next 30 days:** 1.1% (latest exploit-likelihood forecast) - **Published:** 12 January 2021 - **Record last updated:** 28 July 2022 - **Main product:** Scalance X200-4pirt Firmware from Siemens - **Affected products:** 132 ## What is CVE-2020-15799? In plain terms It can be attacked from anywhere on the internet without logging in, but a person has to take an action first. If it works, the attacker can take it offline. ### The official description A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.5.0). The vulnerability could allow an unauthenticated attacker to reboot the device over the network by using special urls from integrated web server of the affected products. ### What kind of flaw is it? - CWE-306: Missing Authentication for Critical Function ### How an attack on it works - Where an attacker can be: Anywhere on the internet - How hard it is to pull off: Easy: no special conditions - Login needed first: No login needed - Does someone have to click: Yes, a person has to take an action - What an attacker gets: Can take it offline Severity vector: `CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H` ## Is CVE-2020-15799 being exploited? Not that we know of It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 1.1%. That can change at any time, which is why we keep watching. Exploit likelihood over the last 7 days: 1.1%, 1.1%, 1.1%, 1.1%, 1.1%, 1.1%, 1.1%. ### Timeline - 12 January 2021: Published - 28 July 2022: Record last updated ### How Precursor Intelligence ranks it CVE-2020-15799 scores **31 out of 100 (Low)**, with the action "Monitor". Every published flaw gets a risk score from 0 to 100, kept up to date as the evidence changes. Four things go into the score, from the one that counts most to the ones that count less: - Evidence it is being exploited: biggest factor - How severe it is: strong factor - How widely exposed it is: smaller factor - Threat activity around it: smaller factor 85 and above is Critical. Anything confirmed as exploited is always marked for an emergency patch, whatever its score. When this flaw matches software you track, it lands in your list with its score and the reasons behind it. ## Who is affected by CVE-2020-15799? The published record lists 132 products. Versions are as published: "before 5.5.0" means every version up to, but not including, 5.5.0. - [Scalance X200-4pirt Firmware](https://www.precursorintelligence.com/product/siemens/scalance_x200-4pirt_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.5.0 - [Scalance X200-4pirt](https://www.precursorintelligence.com/product/siemens/scalance_x200-4pirt) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance X201-3pirt](https://www.precursorintelligence.com/product/siemens/scalance_x201-3pirt) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance X201-3pirt Firmware](https://www.precursorintelligence.com/product/siemens/scalance_x201-3pirt_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.5.0 - [Scalance X202-2irt](https://www.precursorintelligence.com/product/siemens/scalance_x202-2irt) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance X202-2irt Firmware](https://www.precursorintelligence.com/product/siemens/scalance_x202-2irt_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.5.0 - [Scalance X202-2pirt](https://www.precursorintelligence.com/product/siemens/scalance_x202-2pirt) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance X202-2pirt Firmware](https://www.precursorintelligence.com/product/siemens/scalance_x202-2pirt_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.5.0 - [Scalance X202-2pirt Siplus Net](https://www.precursorintelligence.com/product/siemens/scalance_x202-2pirt_siplus_net) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance X202-2pirt Siplus Net Firmware](https://www.precursorintelligence.com/product/siemens/scalance_x202-2pirt_siplus_net_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.5.0 - [Scalance X204irt](https://www.precursorintelligence.com/product/siemens/scalance_x204irt) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance X204irt Firmware](https://www.precursorintelligence.com/product/siemens/scalance_x204irt_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.5.0 - [Scalance X307-3](https://www.precursorintelligence.com/product/siemens/scalance_x307-3) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance X307-3 Firmware](https://www.precursorintelligence.com/product/siemens/scalance_x307-3_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Scalance X307-3ld](https://www.precursorintelligence.com/product/siemens/scalance_x307-3ld) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance X307-3ld Firmware](https://www.precursorintelligence.com/product/siemens/scalance_x307-3ld_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Scalance X308-2](https://www.precursorintelligence.com/product/siemens/scalance_x308-2) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance X308-2 Firmware](https://www.precursorintelligence.com/product/siemens/scalance_x308-2_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Scalance X308-2ld](https://www.precursorintelligence.com/product/siemens/scalance_x308-2ld) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance X308-2ld Firmware](https://www.precursorintelligence.com/product/siemens/scalance_x308-2ld_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Scalance X308-2lh](https://www.precursorintelligence.com/product/siemens/scalance_x308-2lh) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance X308-2lh Firmware](https://www.precursorintelligence.com/product/siemens/scalance_x308-2lh_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - Scalance X308-2lh+ by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Scalance X308-2lh+ Firmware by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Scalance X308-2m](https://www.precursorintelligence.com/product/siemens/scalance_x308-2m) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance X308-2m Firmware](https://www.precursorintelligence.com/product/siemens/scalance_x308-2m_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Scalance X308-2m Ts](https://www.precursorintelligence.com/product/siemens/scalance_x308-2m_ts) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance X308-2m Ts Firmware](https://www.precursorintelligence.com/product/siemens/scalance_x308-2m_ts_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Scalance X310](https://www.precursorintelligence.com/product/siemens/scalance_x310) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance X310 Firmware](https://www.precursorintelligence.com/product/siemens/scalance_x310_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Scalance X310fe](https://www.precursorintelligence.com/product/siemens/scalance_x310fe) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance X310fe Firmware](https://www.precursorintelligence.com/product/siemens/scalance_x310fe_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Scalance X320-1fe](https://www.precursorintelligence.com/product/siemens/scalance_x320-1fe) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance X320-1fe Firmware](https://www.precursorintelligence.com/product/siemens/scalance_x320-1fe_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Scalance X320-3ldfe](https://www.precursorintelligence.com/product/siemens/scalance_x320-3ldfe) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance X320-3ldfe Firmware](https://www.precursorintelligence.com/product/siemens/scalance_x320-3ldfe_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Scalance Xb205-3](https://www.precursorintelligence.com/product/siemens/scalance_xb205-3) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xb205-3 Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xb205-3_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xb205-3ld](https://www.precursorintelligence.com/product/siemens/scalance_xb205-3ld) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xb205-3ld Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xb205-3ld_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xb208](https://www.precursorintelligence.com/product/siemens/scalance_xb208) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xb208 Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xb208_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xb213-3](https://www.precursorintelligence.com/product/siemens/scalance_xb213-3) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xb213-3 Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xb213-3_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xb213-3ld](https://www.precursorintelligence.com/product/siemens/scalance_xb213-3ld) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xb213-3ld Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xb213-3ld_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xb216](https://www.precursorintelligence.com/product/siemens/scalance_xb216) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xb216 Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xb216_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc206-2](https://www.precursorintelligence.com/product/siemens/scalance_xc206-2) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xc206-2 Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc206-2_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc206-2g Poe](https://www.precursorintelligence.com/product/siemens/scalance_xc206-2g_poe_) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xc206-2g Poe Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc206-2g_poe__firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc206-2g Poe Eec](https://www.precursorintelligence.com/product/siemens/scalance_xc206-2g_poe_eec) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xc206-2g Poe Eec Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc206-2g_poe_eec_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc206-2sfp](https://www.precursorintelligence.com/product/siemens/scalance_xc206-2sfp) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xc206-2sfp Eec](https://www.precursorintelligence.com/product/siemens/scalance_xc206-2sfp_eec) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xc206-2sfp Eec Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc206-2sfp_eec_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc206-2sfp Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc206-2sfp_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc206-2sfp G](https://www.precursorintelligence.com/product/siemens/scalance_xc206-2sfp_g) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Scalance Xc206-2sfp G (e/ip) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Scalance Xc206-2sfp G (e/ip) Firmware by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc206-2sfp G Eec](https://www.precursorintelligence.com/product/siemens/scalance_xc206-2sfp_g_eec) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xc206-2sfp G Eec Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc206-2sfp_g_eec_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc206-2sfp G Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc206-2sfp_g_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc208](https://www.precursorintelligence.com/product/siemens/scalance_xc208) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xc208 Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc208_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc208eec](https://www.precursorintelligence.com/product/siemens/scalance_xc208eec) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xc208eec Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc208eec_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc208g](https://www.precursorintelligence.com/product/siemens/scalance_xc208g) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Scalance Xc208g (e/ip) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Scalance Xc208g (e/ip) Firmware by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc208g Eec](https://www.precursorintelligence.com/product/siemens/scalance_xc208g_eec) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xc208g Eec Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc208g_eec_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc208g Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc208g_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc208g Poe](https://www.precursorintelligence.com/product/siemens/scalance_xc208g_poe) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xc208g Poe Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc208g_poe_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc216](https://www.precursorintelligence.com/product/siemens/scalance_xc216) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xc216 Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc216_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc216-4c](https://www.precursorintelligence.com/product/siemens/scalance_xc216-4c) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xc216-4c Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc216-4c_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc216-4c G](https://www.precursorintelligence.com/product/siemens/scalance_xc216-4c_g) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Scalance Xc216-4c G (e/ip) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Scalance Xc216-4c G (e/ip) Firmware by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc216-4c G Eec](https://www.precursorintelligence.com/product/siemens/scalance_xc216-4c_g_eec) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xc216-4c G Eec Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc216-4c_g_eec_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc216-4c G Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc216-4c_g_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc216eec](https://www.precursorintelligence.com/product/siemens/scalance_xc216eec) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xc216eec Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc216eec_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc224](https://www.precursorintelligence.com/product/siemens/scalance_xc224_) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xc224 Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc224__firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc224-4c G](https://www.precursorintelligence.com/product/siemens/scalance_xc224-4c_g_) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xc224-4c G Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc224-4c_g__firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - Scalance Xc224-4c G (e/ip) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Scalance Xc224-4c G (e/ip) Firmware by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xc224-4c G Eec](https://www.precursorintelligence.com/product/siemens/scalance_xc224-4c_g_eec) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xc224-4c G Eec Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xc224-4c_g_eec_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xf201-3p Irt](https://www.precursorintelligence.com/product/siemens/scalance_xf201-3p_irt) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xf201-3p Irt Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xf201-3p_irt_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xf202-2p Irt](https://www.precursorintelligence.com/product/siemens/scalance_xf202-2p_irt) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xf202-2p Irt Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xf202-2p_irt_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xf204](https://www.precursorintelligence.com/product/siemens/scalance_xf204) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xf204 Dna](https://www.precursorintelligence.com/product/siemens/scalance_xf204_dna) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xf204 Dna Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xf204_dna_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xf204 Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xf204_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xf204-2](https://www.precursorintelligence.com/product/siemens/scalance_xf204-2) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xf204-2 Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xf204-2_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xf204-2ba Dna](https://www.precursorintelligence.com/product/siemens/scalance_xf204-2ba_dna) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xf204-2ba Dna Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xf204-2ba_dna_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xf204-2ba Irt](https://www.precursorintelligence.com/product/siemens/scalance_xf204-2ba_irt) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xf204-2ba Irt Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xf204-2ba_irt_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xf204irt](https://www.precursorintelligence.com/product/siemens/scalance_xf204irt) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xf204irt Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xf204irt_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xf206-1](https://www.precursorintelligence.com/product/siemens/scalance_xf206-1) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xf206-1 Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xf206-1_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xf208](https://www.precursorintelligence.com/product/siemens/scalance_xf208) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xf208 Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xf208_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xp208](https://www.precursorintelligence.com/product/siemens/scalance_xp208) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Scalance Xp208 (eip) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Scalance Xp208 (eip) Firmware by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xp208 Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xp208_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xp208eec](https://www.precursorintelligence.com/product/siemens/scalance_xp208eec) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xp208eec Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xp208eec_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xp208poe Eec](https://www.precursorintelligence.com/product/siemens/scalance_xp208poe_eec) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xp208poe Eec Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xp208poe_eec_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xp216](https://www.precursorintelligence.com/product/siemens/scalance_xp216) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Scalance Xp216 (eip) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Scalance Xp216 (eip) Firmware by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xp216 Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xp216_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xp216eec](https://www.precursorintelligence.com/product/siemens/scalance_xp216eec) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xp216eec Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xp216eec_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 - [Scalance Xp216poe Eec](https://www.precursorintelligence.com/product/siemens/scalance_xp216poe_eec) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Scalance Xp216poe Eec Firmware](https://www.precursorintelligence.com/product/siemens/scalance_xp216poe_eec_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2.5 ## How do I fix CVE-2020-15799? 1. **Check whether you run it.** Compare your versions with the affected products above. Not sure what you run? Precursor Intelligence can work it out from your public website, or you can pick it from a list. 2. **Apply the vendor’s fix.** Install the update named in the vendor’s advisory. We’ve put the advisory first in the list. 3. **If you can’t patch today.** Follow any mitigation the vendor publishes, and limit who can reach the affected system from the internet until the update is in. 4. **Keep an eye on it.** Track the product and we tell you as soon as we spot this flaw on the list of exploited flaws, or a jump in its exploit likelihood. ### References - [cert-portal.siemens.com](https://cert-portal.siemens.com/productcert/pdf/ssa-139628.pdf) (Vendor advisory) ## Questions ### What is CVE-2020-15799? CVE-2020-15799 is a medium-severity flaw in Scalance X200-4pirt Firmware from Siemens, published on 12 January 2021. It can be attacked from anywhere on the internet without logging in, but a person has to take an action first. If it works, the attacker can take it offline. ### How serious is CVE-2020-15799? It scores 6.5 out of 10 on the CVSS severity scale, which is medium. Our risk score for CVE-2020-15799 is 31 out of 100, which is Low. Its action is "Monitor". No sign of exploitation and a low forecast. Patch it in your normal update cycle. ### Is CVE-2020-15799 being exploited? It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 1.1%. That can change at any time, which is why we keep watching. ### Which versions does CVE-2020-15799 affect? For Scalance X200-4pirt Firmware from Siemens: before 5.5.0. The record lists 132 products in all, each with its versions, under "Who is affected" on this page. ### How do I fix CVE-2020-15799? Install the update the vendor names in its advisory, linked first under "How do I fix" on this page. If you can't patch today, follow the vendor's mitigation and limit who can reach the affected system from the internet. ## Does CVE-2020-15799 affect you? Precursor Intelligence keeps checking for you: - **Tell us what you run.** Pick your software from a list, or let us work it out from your website. - **We match it to every flaw.** Over 400,000 published flaws, checked against your list. - **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it. - **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools. Start free (no card, nothing to install): https://www.precursorintelligence.com/register Book a demo: https://www.precursorintelligence.com/contact