CVE-2022-20812 CRITICAL

CVE-2022-20812: Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities

Vendor Cisco
Product Cisco TelePresence Video Communication Server (VCS) Expressway
Weakness CWE-158
Published July 6, 2022
Last update November 6, 2024

CVSS base score

9.0/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 6, 2022 CVE published
November 6, 2024 Record updated