Vulnerability in Cisco Telepresence Video Communication Server (Vcs) Expressway
CVE-2022-20813
Multiple vulnerabilities in the API and in the web-based management interface of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow a remote attacker to overwrite arbitrary files or conduct null byte poisoning attacks on an affected device. Note: Cisco Expressway Series refers to the Expressway Control (Expressway-C) device and the Expressway Edge (Expressway-E) device. For more information about these vulnerabilities, see the Details section of this advisory.
EPSS: 0.011 (62.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L.
Affected products
Weakness classification (CWE)
References
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-20813?
- CVE-2022-20813 is a critical-severity vulnerability in Cisco Telepresence Video Communication Server (Vcs) Expressway, classified under CWE-158. CVSS score: 9.0/10. Published 2022-07-06.
- How severe is CVE-2022-20813?
- Critical severity. CVSS v3 base score is 9.0 out of 10.