SB2020102208 - Improper Authorization in Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software



SB2020102208 - Improper Authorization in Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software

Published: October 22, 2020

Security Bulletin ID SB2020102208
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) Improper Authorization (CVE-ID: CVE-2020-3578)

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to insufficient validation of URLs when portal access rules are configured. A remote attacker can access certain URLs on the affected device, bypass a configured access rule and access parts of the WebVPN portal that are supposed to be blocked.


Remediation

Install update from vendor's website.