SB2020121721 - Denial of service in BIG-IP APM
Published: December 17, 2020
Security Bulletin ID
SB2020121721
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) Resource exhaustion (CVE-ID: CVE-2020-27724)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to BIG-IP APM does not properly control consumption of internal resources on systems running more than one TMM instance. A remote authenticated VPN user can consume excessive resources by sending specially-crafted malicious traffic over the tunnel. and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.