SB2025020617 - Range Request Bypass in Cisco AsyncOS Software for Cisco Secure Web Appliance
Published: February 6, 2025
Security Bulletin ID
SB2025020617
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2025-20183)
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper handling of a crafted range request header in a policy-based Cisco Application Visibility and Control (AVC) implementation. A remote attacker can send a specially crafted HTTP request to evade the antivirus scanner and download a malicious file onto the endpoint.
Remediation
Install update from vendor's website.