CVEvulnerability

CVE-2022-20812

6.5 MEDIUM Published 2022-07-06 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-07-06
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
CVSS 2.0 ([email protected])
8.5 HIGH — AV:N/AC:L/Au:S/C:N/I:C/A:C
Weaknesses
CWE-158, CWE-22

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.

Affected configurations

• cisco expressway (< x14.0.7) • cisco telepresence video communication server (< x14.0.7)

Related

Weakness · CWE (2)

  • CWE-158 Improper Neutralization of Null Byte or NUL Character weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness

References