# What is CVE-2020-3360? > CVE-2020-3360 is a medium-severity flaw (CVSS 5.3) in Unified IP Phone 6901 Firmware from Cisco, published on 18 June 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 1.3%. If you run an affected version, plan in the vendor’s fix. Canonical page: https://www.precursorintelligence.com/what-is/cve-2020-3360 ## 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 5.3 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:** 1.3% (latest exploit-likelihood forecast) - **Published:** 18 June 2020 - **Record last updated:** 6 August 2021 - **Main product:** Unified IP Phone 6901 Firmware from Cisco - **Affected products:** 74 ## What is CVE-2020-3360? In plain terms It can be attacked from anywhere on the internet without logging in, and nobody has to click anything. If it works, the attacker can read some data. ### The official description A vulnerability in the Web Access feature of Cisco IP Phones Series 7800 and Series 8800 could allow an unauthenticated, remote attacker to view sensitive information on an affected device. The vulnerability is due to improper access controls on the web-based management interface of an affected device. An attacker could exploit this vulnerability by sending malicious requests to the device, which could allow the attacker to bypass access restrictions. A successful attack could allow the attacker to view sensitive information, including device call logs that contain names, usernames, and phone numbers of users of the device. ### What kind of flaw is it? - CWE-863: Incorrect Authorization - CWE-200: Exposure of Sensitive Information to an Unauthorized Actor ### 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: No, nobody has to do anything - What an attacker gets: Can read some data Severity vector: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N` ## Is CVE-2020-3360 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 1.3%. That can change at any time, which is why we keep watching. Exploit likelihood over the last 7 days: 1.3%, 1.3%, 1.3%, 1.3%, 1.3%, 1.3%, 1.3%. ### Timeline - 18 June 2020: Published - 6 August 2021: Record last updated ### How Precursor Intelligence ranks it CVE-2020-3360 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-2020-3360? The published record lists 74 products. - [Unified IP Phone 6901 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_6901_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 6901](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_6901) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 6911](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_6911) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 6911 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_6911_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 6921](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_6921) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 6921 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_6921_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 6941](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_6941) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 6941 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_6941_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 6945](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_6945) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 6945 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_6945_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 6961](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_6961) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 6961 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_6961_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 7811](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7811) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 7811 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7811_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 7821](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7821) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 7821 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7821_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 7832](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7832) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 7832 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7832_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 7841](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7841) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 7841 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7841_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 7861](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7861) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 7861 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7861_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 7906g](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7906g) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 7906g Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7906g_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 7911g](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7911g) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 7911g Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7911g_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 7931g](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7931g) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 7931g Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7931g_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 7937g](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7937g) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 7937g Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7937g_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 7940g](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7940g) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 7940g Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7940g_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 7941g](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7941g) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 7941g Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7941g_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 7942g](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7942g) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 7942g Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7942g_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 7945g](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7945g) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 7945g Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7945g_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 7960g](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7960g) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 7960g Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7960g_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 7961g](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7961g) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 7961g Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7961g_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 7962g](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7962g) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 7962g Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7962g_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 7965g](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7965g) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 7965g Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7965g_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 7975g](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7975g) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 7975g Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_7975g_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 8811](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8811) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 8811 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8811_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 8841](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8841) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 8841 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8841_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 8845](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8845) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 8845 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8845_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 8851](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8851) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 8851 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8851_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 8851nr](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8851nr) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 8851nr Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8851nr_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 8861](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8861) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 8861 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8861_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 8865](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8865) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 8865 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8865_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 8865nr](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8865nr) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 8865nr Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8865nr_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 8941](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8941) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 8941 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8941_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 8945](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8945) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 8945 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8945_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 8961](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8961) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 8961 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_8961_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 9951](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_9951) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 9951 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_9951_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) - [Unified IP Phone 9971](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_9971) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Hardware): version not specified - [Unified IP Phone 9971 Firmware](https://www.precursorintelligence.com/product/cisco/unified_ip_phone_9971_firmware) by [Cisco](https://www.precursorintelligence.com/vendors/cisco) (Operating system): up to 12.8(1) ## How do I fix CVE-2020-3360? 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 - [tools.cisco.com](https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-logs-2O7f7ExM) (Vendor advisory) ## Questions ### What is CVE-2020-3360? CVE-2020-3360 is a medium-severity flaw in Unified IP Phone 6901 Firmware from Cisco, published on 18 June 2020. It can be attacked from anywhere on the internet without logging in, and nobody has to click anything. If it works, the attacker can read some data. ### How serious is CVE-2020-3360? It scores 5.3 out of 10 on the CVSS severity scale, which is medium. Our risk score for CVE-2020-3360 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-2020-3360 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 1.3%. That can change at any time, which is why we keep watching. ### Which versions does CVE-2020-3360 affect? For Unified IP Phone 6901 Firmware from Cisco: up to 12.8(1). The record lists 74 products in all, each with its versions, under "Who is affected" on this page. ### How do I fix CVE-2020-3360? 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-2020-3360 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