# What is CVE-2020-8745? > CVE-2020-8745 is a medium-severity flaw (CVSS 6.8) in Converged Security and Manageability Engine from Intel, published on 12 November 2020. 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 0.4%. If you run an affected version, plan in the vendor’s fix. Canonical page: https://www.precursorintelligence.com/what-is/cve-2020-8745 ## 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:** 21 out of 100 (Low); action: Monitor. Kept up to date as the evidence changes. - **Severity:** Medium (CVSS 6.8 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:** 0.4% (latest exploit-likelihood forecast) - **Published:** 12 November 2020 - **Record last updated:** 28 March 2025 - **Main product:** Converged Security and Manageability Engine from Intel - **Affected products:** 43 ## What is CVE-2020-8745? In plain terms An attacker has to be physically at the device without logging in, and nobody has to click anything. If it works, the attacker can read data, change data and take it offline. ### The official description Insufficient control flow management in subsystem for Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70, 13.0.40, 13.30.10, 14.0.45 and 14.5.25 , Intel(R) TXE versions before 3.1.80 and 4.0.30 may allow an unauthenticated user to potentially enable escalation of privilege via physical access. ### What kind of flaw is it? - Unknown: Unknown ### How an attack on it works - Where an attacker can be: Physically at the device - How hard it is to pull off: Easy: no special conditions - Login needed first: No login needed - Does someone have to click: No, nobody has to do anything - What an attacker gets: Can read data, change data and take it offline Severity vector: `CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H` ## Is CVE-2020-8745 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 0.4%. That can change at any time, which is why we keep watching. Exploit likelihood over the last 7 days: 0.4%, 0.4%, 0.4%, 0.4%, 0.4%, 0.4%, 0.4%. ### Timeline - 12 November 2020: Published - 28 March 2025: Record last updated ### How Precursor Intelligence ranks it CVE-2020-8745 scores **21 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-2020-8745? The published record lists 43 products. Versions are as published: "before 11.8.80" means every version up to, but not including, 11.8.80. - [Converged Security and Manageability Engine](https://www.precursorintelligence.com/product/intel/converged_security_and_manageability_engine) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Application): before 11.8.80, 11.12.0 to before 11.12.80, 11.22.0 to before 11.22.80, 12.0 to before 12.0.70, 14.0 to before 14.0.45, 14.5.0 to before 14.5.25 - [Trusted Execution Technology](https://www.precursorintelligence.com/product/intel/trusted_execution_technology) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Application): before 3.1.80, 4.0 to before 4.0.30 - [Simatic Drive Controller](https://www.precursorintelligence.com/product/siemens/simatic_drive_controller) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Drive Controller Firmware](https://www.precursorintelligence.com/product/siemens/simatic_drive_controller_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 05.00.01.00 - [Simatic Et200sp 1515sp Pc2](https://www.precursorintelligence.com/product/siemens/simatic_et200sp_1515sp_pc2) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Et200sp 1515sp Pc2 Firmware](https://www.precursorintelligence.com/product/siemens/simatic_et200sp_1515sp_pc2_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 0209.0105 - [Simatic Field Pg M5](https://www.precursorintelligence.com/product/siemens/simatic_field_pg_m5) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Field Pg M5 Firmware](https://www.precursorintelligence.com/product/siemens/simatic_field_pg_m5_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 22.01.08 - [Simatic Field Pg M6](https://www.precursorintelligence.com/product/siemens/simatic_field_pg_m6) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Field Pg M6 Firmware](https://www.precursorintelligence.com/product/siemens/simatic_field_pg_m6_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): version not specified - [Simatic Ipc127e](https://www.precursorintelligence.com/product/siemens/simatic_ipc127e) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Ipc127e Firmware](https://www.precursorintelligence.com/product/siemens/simatic_ipc127e_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 27.01.05 - [Simatic Ipc427e](https://www.precursorintelligence.com/product/siemens/simatic_ipc427e) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Ipc427e Firmware](https://www.precursorintelligence.com/product/siemens/simatic_ipc427e_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 27.01.05 - [Simatic Ipc477e](https://www.precursorintelligence.com/product/siemens/simatic_ipc477e) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Ipc477e Firmware](https://www.precursorintelligence.com/product/siemens/simatic_ipc477e_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 21.01.15 - [Simatic Ipc477e Pro](https://www.precursorintelligence.com/product/siemens/simatic_ipc477e_pro) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Ipc527g](https://www.precursorintelligence.com/product/siemens/simatic_ipc527g) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Ipc527g Firmware](https://www.precursorintelligence.com/product/siemens/simatic_ipc527g_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 1.4.0 - [Simatic Ipc547g](https://www.precursorintelligence.com/product/siemens/simatic_ipc547g) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Ipc547g Firmware](https://www.precursorintelligence.com/product/siemens/simatic_ipc547g_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before r1.30.0 - [Simatic Ipc627e](https://www.precursorintelligence.com/product/siemens/simatic_ipc627e) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Ipc627e Firmware](https://www.precursorintelligence.com/product/siemens/simatic_ipc627e_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 25.02.08 - [Simatic Ipc647e](https://www.precursorintelligence.com/product/siemens/simatic_ipc647e) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Ipc647e Firmware](https://www.precursorintelligence.com/product/siemens/simatic_ipc647e_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 25.02.08 - [Simatic Ipc667e](https://www.precursorintelligence.com/product/siemens/simatic_ipc667e) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Ipc667e Firmware](https://www.precursorintelligence.com/product/siemens/simatic_ipc667e_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 25.02.08 - [Simatic Ipc847e](https://www.precursorintelligence.com/product/siemens/simatic_ipc847e) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Ipc847e Firmware](https://www.precursorintelligence.com/product/siemens/simatic_ipc847e_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 25.02.08 - [Simatic Itp1000](https://www.precursorintelligence.com/product/siemens/simatic_itp1000) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Itp1000 Firmware](https://www.precursorintelligence.com/product/siemens/simatic_itp1000_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 23.01.08 - [Sinumerik 828d Hw Pu.4](https://www.precursorintelligence.com/product/siemens/sinumerik_828d_hw_pu.4) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinumerik 828d Hw Pu.4 Firmware](https://www.precursorintelligence.com/product/siemens/sinumerik_828d_hw_pu.4_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 08.00.00.00 - [Sinumerik 840d Sl Ht 10](https://www.precursorintelligence.com/product/siemens/sinumerik_840d_sl_ht_10) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinumerik 840d Sl Ht 10 Firmware](https://www.precursorintelligence.com/product/siemens/sinumerik_840d_sl_ht_10_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): version not specified - [Sinumerik Mc Mcu 1720](https://www.precursorintelligence.com/product/siemens/sinumerik_mc_mcu_1720) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinumerik Mc Mcu 1720 Firmware](https://www.precursorintelligence.com/product/siemens/sinumerik_mc_mcu_1720_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 05.00.00.00 - [Sinumerik One](https://www.precursorintelligence.com/product/siemens/sinumerik_one) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinumerik One Firmware](https://www.precursorintelligence.com/product/siemens/sinumerik_one_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): version not specified - [Sinumerik One Ncu 1740](https://www.precursorintelligence.com/product/siemens/sinumerik_one_ncu_1740) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinumerik One Ncu 1740 Firmware](https://www.precursorintelligence.com/product/siemens/sinumerik_one_ncu_1740_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 04.00.00.00 - [Sinumerik One Ppu 1740](https://www.precursorintelligence.com/product/siemens/sinumerik_one_ppu_1740) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinumerik One Ppu 1740 Firmware](https://www.precursorintelligence.com/product/siemens/sinumerik_one_ppu_1740_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 06.00.00.00 ## How do I fix CVE-2020-8745? 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 advisories and patch notes 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-678983.pdf) (Patch, Third-party advisory) - [intel.com](https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00391) (Vendor advisory) - [security.netapp.com](https://security.netapp.com/advisory/ntap-20201113-0002/) (Third-party advisory) - [security.netapp.com](https://security.netapp.com/advisory/ntap-20201113-0005/) (Third-party advisory) ## Questions ### What is CVE-2020-8745? CVE-2020-8745 is a medium-severity flaw in Converged Security and Manageability Engine from Intel, published on 12 November 2020. An attacker has to be physically at the device without logging in, and nobody has to click anything. If it works, the attacker can read data, change data and take it offline. ### How serious is CVE-2020-8745? It scores 6.8 out of 10 on the CVSS severity scale, which is medium. Our risk score for CVE-2020-8745 is 21 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-2020-8745 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 0.4%. That can change at any time, which is why we keep watching. ### Which versions does CVE-2020-8745 affect? For Converged Security and Manageability Engine from Intel: before 11.8.80, 11.12.0 to before 11.12.80, 11.22.0 to before 11.22.80, 12.0 to before 12.0.70, 14.0 to before 14.0.45, 14.5.0 to before 14.5.25. The record lists 43 products in all, each with its versions, under "Who is affected" on this page. ### How do I fix CVE-2020-8745? 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-2020-8745 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