CVE Identifier: CVE-2021-22975 Security Advisory Title: K21971977: TMM vulnerability CVE-2021-22975 Published Date: Feb 10, 2021 Updated Date: Feb 22, 2023 Vulnerable Component: TMM (Traffic Management Microkernel) Severity: High (CVSSv3 score: 7.5) Impact: May cause a denial-of-service (DoS) to the BIG-IP system, leading to temporary traffic processing failure during TMM restart. Affected Products and Versions: - BIG-IP (various modules): - 16.x: 16.0.0 - 16.0.1 (Fixed in 16.0.1.1) - 15.x: 15.1.0 - 15.1.2 (Fixed in 15.1.2.1) - 14.x: 14.1.0 - 14.1.3 (Fixed in 14.1.3.1) - BIG-IQ Centralized Management (5.x, 6.x, 7.x): Not vulnerable - Traffix SDC (5.x): Not vulnerable Mitigation: None provided Acknowledgements: Discovered by F5