CVE-2022-20812

CRITICAL

Cisco Expressway and TelePresence VCS < X14.0.7 - Path Traversal and Arbitrary File Write

Title source: llm
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 9.0
EPSS 0.0106
EPSS Percentile 77.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-22 CWE-158
Status published
Products (2)
cisco/expressway < x14.0.7
cisco/telepresence_video_communication_server < x14.0.7
Published Jul 06, 2022
Tracked Since Feb 18, 2026