CVEvulnerability
CVE-2021-22998
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-03-31
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Description
On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3, SYN flood protection thresholds are not enforced in secure network address translation (SNAT) listeners. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
Affected configurations
• f5 big-ip access policy manager (>= 11.6.1 < 11.6.5.3)
• f5 big-ip access policy manager (>= 12.1.0 < 12.1.5.3)
• f5 big-ip access policy manager (>= 13.1.0 < 13.1.3.6)
• f5 big-ip access policy manager (>= 14.1.0 < 14.1.4)
• f5 big-ip access policy manager (>= 15.1.0 < 15.1.2.1)
• f5 big-ip access policy manager (>= 16.0.0 < 16.0.1.1)
• f5 big-ip advanced firewall manager (>= 11.6.1 < 11.6.5.3)
• f5 big-ip advanced firewall manager (>= 12.1.0 < 12.1.5.3)
• f5 big-ip advanced firewall manager (>= 13.1.0 < 13.1.3.6)
• f5 big-ip advanced firewall manager (>= 14.1.0 < 14.1.4)
• f5 big-ip advanced firewall manager (>= 15.1.0 < 15.1.2.1)
• f5 big-ip advanced firewall manager (>= 16.0.0 < 16.0.1.1)
• f5 big-ip advanced web application firewall (>= 11.6.1 < 11.6.5.3)
• f5 big-ip advanced web application firewall (>= 12.1.0 < 12.1.5.3)
• f5 big-ip advanced web application firewall (>= 13.1.0 < 13.1.3.6)
• f5 big-ip advanced web application firewall (>= 14.1.0 < 14.1.4)
• f5 big-ip advanced web application firewall (>= 15.1.0 < 15.1.2.1)
• f5 big-ip advanced web application firewall (>= 16.0.0 < 16.0.1.1)
• f5 big-ip analytics (>= 11.6.1 < 11.6.5.3)
• f5 big-ip analytics (>= 12.1.0 < 12.1.5.3)
• f5 big-ip analytics (>= 13.1.0 < 13.1.3.6)
• f5 big-ip analytics (>= 14.1.0 < 14.1.4)
• f5 big-ip analytics (>= 15.1.0 < 15.1.2.1)
• f5 big-ip analytics (>= 16.0.0 < 16.0.1.1)
• f5 big-ip application acceleration manager (>= 11.6.1 < 11.6.5.3)
• f5 big-ip application acceleration manager (>= 12.1.0 < 12.1.5.3)
• f5 big-ip application acceleration manager (>= 13.1.0 < 13.1.3.6)
• f5 big-ip application acceleration manager (>= 14.1.0 < 14.1.4)
• f5 big-ip application acceleration manager (>= 15.1.0 < 15.1.2.1)
• f5 big-ip application acceleration manager (>= 16.0.0 < 16.0.1.1)
• f5 big-ip application security manager (>= 11.6.1 < 11.6.5.3)
• f5 big-ip application security manager (>= 12.1.0 < 12.1.5.3)
• f5 big-ip application security manager (>= 13.1.0 < 13.1.3.6)
• f5 big-ip application security manager (>= 14.1.0 < 14.1.4)
• f5 big-ip application security manager (>= 15.1.0 < 15.1.2.1)
• f5 big-ip application security manager (>= 16.0.0 < 16.0.1.1)
• f5 big-ip ddos hybrid defender (>= 11.6.1 < 11.6.5.3)
• f5 big-ip ddos hybrid defender (>= 12.1.0 < 12.1.5.3)
• f5 big-ip ddos hybrid defender (>= 13.1.0 < 13.1.3.6)
• f5 big-ip ddos hybrid defender (>= 14.1.0 < 14.1.4)
• f5 big-ip ddos hybrid defender (>= 15.1.0 < 15.1.2.1)
• f5 big-ip ddos hybrid defender (>= 16.0.0 < 16.0.1.1)
• f5 big-ip domain name system (>= 11.6.1 < 11.6.5.3)
• f5 big-ip domain name system (>= 12.1.0 < 12.1.5.3)
• f5 big-ip domain name system (>= 13.1.0 < 13.1.3.6)
• f5 big-ip domain name system (>= 14.1.0 < 14.1.4)
• f5 big-ip domain name system (>= 15.1.0 < 15.1.2.1)
• f5 big-ip domain name system (>= 16.0.0 < 16.0.1.1)
• f5 big-ip fraud protection service (>= 11.6.1 < 11.6.5.3)
• f5 big-ip fraud protection service (>= 12.1.0 < 12.1.5.3)
• f5 big-ip fraud protection service (>= 13.1.0 < 13.1.3.6)
• f5 big-ip fraud protection service (>= 14.1.0 < 14.1.4)
• f5 big-ip fraud protection service (>= 15.1.0 < 15.1.2.1)
• f5 big-ip fraud protection service (>= 16.0.0 < 16.0.1.1)
• f5 big-ip global traffic manager (>= 11.6.1 < 11.6.5.3)
• f5 big-ip global traffic manager (>= 12.1.0 < 12.1.5.3)
• f5 big-ip global traffic manager (>= 13.1.0 < 13.1.3.6)
• f5 big-ip global traffic manager (>= 14.1.0 < 14.1.4)
• f5 big-ip global traffic manager (>= 15.1.0 < 15.1.2.1)
• f5 big-ip global traffic manager (>= 16.0.0 < 16.0.1.1)
… and 24 more
References
- https://support.f5.com/csp/article/K31934524 Vendor Advisory
- https://support.f5.com/csp/article/K31934524 Vendor Advisory