Path Traversal in Cisco Telepresence Video Communication Server (Vcs) Expressway
CVE-2022-20812
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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.019 (79.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: +0.001
Affected products
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressw… (vendor-advisory, Vendor Advisory)
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressw… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-20812?
- CVE-2022-20812 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-2022-20812?
- Critical severity. CVSS v3 base score is 9.0 out of 10.