SB2022111016 - Incorrect authorization in Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software



SB2022111016 - Incorrect authorization in Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software

Published: November 10, 2022

Security Bulletin ID SB2022111016
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Incorrect authorization (CVE-ID: CVE-2022-20928)

The vulnerability allows a remote attacker to establish a connection as a different user.

The vulnerability exists due to a flaw in the authorization verifications during the VPN authentication flow. A remote attacker can send a specially crafted packet during a VPN authentication and establish a VPN connection with access privileges from a different user.


Remediation

Install update from vendor's website.