SB2022070706 - Multiple vulnerabilities in Cisco Expressway Series and Cisco TelePresence Video Communication Server

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Main Vulnerability Database SB2022070706

SB2022070706 - Multiple vulnerabilities in Cisco Expressway Series and Cisco TelePresence Video Communication Server

Published: July 7, 2022

Security Bulletin ID SB2022070706
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Path traversal (CVE-ID: CVE-2022-20812)

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the cluster database API. A remote administrator can send a specially crafted HTTP request and overwrite arbitrary files on the system.


2) Improper Neutralization of Null Byte or NUL Character (CVE-ID: CVE-2022-20813)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper certificate validation. A remote attacker can perform a man-in-the-middle attack and view the intercepted traffic in clear text or alter the contents of the traffic.


Remediation

Install update from vendor's website.

References