{"id":"CVE-2022-20931","title":"Cisco Touch 10 Device Downgrade Attack Vulnerability","summary":"A vulnerability in the version control of Cisco TelePresence CE Software for Cisco Touch 10 Devices could allow an unauthenticated, adjacent attacker to install an older version of the software on an affected device.\r\n\r\nThis vulnerability …","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","cvssSource":"vendor","vendor":"Cisco","product":"Cisco TelePresence Endpoint Software (TC/CE)","affected":["telepresence_endpoint_software_tc_ce"],"published":"2022-10-05","updated":"2022-10-05","sourceUpdated":"2022-10-05T16:00:00+00:00","source":"CSAF","sourceUrl":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-CTT-DAV-HSvEHHEt","references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-CTT-DAV-HSvEHHEt"},{"url":"https://software.cisco.com"}],"tags":["csaf","vendor-advisory","cisco"],"epss":0.00273,"epssPercentile":0.17498,"ingestedAt":"2026-09-08T15:58:18.537Z","slug":"CVE-2022-20931","body":"## Overview\n\nA vulnerability in the version control of Cisco TelePresence CE Software for Cisco Touch 10 Devices could allow an unauthenticated, adjacent attacker to install an older version of the software on an affected device.\r\n\r\nThis vulnerability is due to insufficient version control. An attacker could exploit this vulnerability by installing an older version of Cisco TelePresence CE Software on an affected device. A successful exploit could allow the attacker to take advantage of vulnerabilities in older versions of the software.\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\n\n## Vendor advisories\n\n- **cisco-sa-CTT-DAV-HSvEHHEt** · Cisco · affected: Cisco TelePresence Endpoint Software (TC/CE) · updated 2022-10-05 · [advisory](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-CTT-DAV-HSvEHHEt)\n\n**Cisco Touch 10 Devices Downgrade Vulnerability**. Released 2022-10-05.\n\nAffected:\n\n- Cisco TelePresence Endpoint Software (TC/CE)\n\n## Remediation\n\nCisco has released software updates that address this vulnerability. https://software.cisco.com","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}