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TI-2021-05857 Aliases CVE-2021-22998GHSA-j8xw-29ph-c5cm

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…

Priority LOW 26Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00979 62nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—BIG-IP16.0.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, 11.6.x before 11.6.5.3—No fix listedCNA
  • BIG-IP Vendor— Affected 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, 11.6.x before 11.6.5.3 Fixed in — No fix listed CNA

CPE configurations NVD · 14

CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1VulnerableF5
  • cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* Versions 11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* Versions 11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* Versions 11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* Versions 11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* Versions 11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* Versions 11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* Versions 11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* Versions 11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* Versions 11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* Versions 11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
Show 4 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1VulnerableF5
cpe:2.3:a:f5:ssl_orchestrator:*:*:*:*:*:*:*:*11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1VulnerableF5
  • cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* Versions 11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* Versions 11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* Versions 11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:ssl_orchestrator:*:*:*:*:*:*:*:* Versions 11.6.1 to before 11.6.5.3; 12.1.0 to before 12.1.5.3; 13.1.0 to before 13.1.3.6; 14.1.0 to before 14.1.4; 15.1.0 to before 15.1.2.1; 16.0.0 to before 16.0.1.1 Vulnerable ·F5

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-22998
  2. 2026-10-03 Alias added: GHSA-j8xw-29ph-c5cm

References

Advisory 1

  • TI-2023-25230 BIG-IP Configuration utility unauthenticated remote code execution vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-01269 Missing authentication in F5 BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-05850 Memory corruption in BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-05845 Server-side request forgery in BIG-IP; BIG-IQ KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-04820 Path traversal in BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
See all 629 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences