SB2020102208 - Improper Authorization in Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software
Published: October 22, 2020
Breakdown by Severity
- 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.