🛡️ CVE-2022-20813
🔴 CVSS 9.0 — Critical ✅ No Known Exploit CWE-158 NVD
9.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity CRITICAL
CVSS Score 9.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L
CWE CWE-158
Public Exploit ✅ No
Source NVD
Published 2022-07-06
Updated 2026-06-08
Modified 2024-11-21
Fix URL N/A

Affected Packages

Software From version Fixed in
expressway x14.0.7
telepresence-video-communication-server x14.0.7

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