SB2020093093 - Denial of service in Cisco IOS XE Software Common Open Policy Service Engine
Published: September 30, 2020
Security Bulletin ID
SB2020093093
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2020-3526)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the Common Open Policy Service (COPS) engine. A remote attacker can send a specially crafted COPS message and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.