CSRF in Cisco Telepresence Video Communication Server (Vcs) Expressway
CVE-2022-20853
A vulnerability in the REST API of Cisco Expressway Series and Cisco TelePresence VCS could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system. This vulnerability is due to insufficient CSRF protections for the web-based management interface of an affected system. An attacker could exploit this vulnerability by persuading a user of the REST API to follow a crafted link. A successful exploit could allow the attacker to cause the affected system to reload. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Vulnerability class: CSRF (Cross-Site Request Forgery)
EPSS: 0.006 (48.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H.
Affected products
- Cisco Telepresence Video Communication Server (Vcs) Expressway — versions X8.11.2, X8.6, X8.11.3
- Cisco Telepresence_video_communication_server — versions x8.1, x8.1.1, x8.1.2
Weakness classification (CWE)
References
- psirt@cisco.com (Vendor Advisory)
- psirt@cisco.com (Not Applicable)
- psirt@cisco.com (Not Applicable)
- psirt@cisco.com (Not Applicable)
Frequently asked questions
- What is CVE-2022-20853?
- CVE-2022-20853 is a high-severity vulnerability in Cisco Telepresence Video Communication Server (Vcs) Expressway, classified under Cross-Site Request Forgery (CSRF). CVSS score: 7.4/10. Published 2024-11-15.
- How severe is CVE-2022-20853?
- High severity. CVSS v3 base score is 7.4 out of 10.