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TI-2021-05866 Aliases CVE-2021-23007GHSA-4g5c-cjq7-xrqv

On BIG-IP versions 14.1.4 and 16.0.1.1, when the Traffic Management Microkernel (TMM)…

Priority LOW 27Published · 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 14.1.4 and 16.0.1.1, when the Traffic Management Microkernel (TMM) process handles certain undisclosed traffic, it may start dropping all fragmented IP traffic. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

Why it matters now

EPSS 0.0158 75th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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-IP14.1.4 and 16.0.1.1—No fix listedCNA
  • BIG-IP Vendor— Affected 14.1.4 and 16.0.1.1 Fixed in — No fix listed CNA

CPE configurations NVD · 32

CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_access_policy_manager:14.1.4:*:*:*:*:*:*:*14.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_access_policy_manager:16.0.1.1:*:*:*:*:*:*:*16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:14.1.4:*:*:*:*:*:*:*14.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:16.0.1.1:*:*:*:*:*:*:*16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:14.1.4:*:*:*:*:*:*:*14.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:16.0.1.1:*:*:*:*:*:*:*16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_analytics:14.1.4:*:*:*:*:*:*:*14.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_analytics:16.0.1.1:*:*:*:*:*:*:*16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_application_acceleration_manager:14.1.4:*:*:*:*:*:*:*14.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_application_acceleration_manager:16.0.1.1:*:*:*:*:*:*:*16.0.1.1VulnerableF5
  • cpe:2.3:a:f5:big-ip_access_policy_manager:14.1.4:*:*:*:*:*:*:* Versions 14.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_access_policy_manager:16.0.1.1:*:*:*:*:*:*:* Versions 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_firewall_manager:14.1.4:*:*:*:*:*:*:* Versions 14.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_firewall_manager:16.0.1.1:*:*:*:*:*:*:* Versions 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:14.1.4:*:*:*:*:*:*:* Versions 14.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:16.0.1.1:*:*:*:*:*:*:* Versions 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_analytics:14.1.4:*:*:*:*:*:*:* Versions 14.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_analytics:16.0.1.1:*:*:*:*:*:*:* Versions 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_acceleration_manager:14.1.4:*:*:*:*:*:*:* Versions 14.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_acceleration_manager:16.0.1.1:*:*:*:*:*:*:* Versions 16.0.1.1 Vulnerable ·F5
Show 22 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_application_security_manager:14.1.4:*:*:*:*:*:*:*14.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_application_security_manager:16.0.1.1:*:*:*:*:*:*:*16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:14.1.4:*:*:*:*:*:*:*14.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:16.0.1.1:*:*:*:*:*:*:*16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_domain_name_system:14.1.4:*:*:*:*:*:*:*14.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_domain_name_system:16.0.1.1:*:*:*:*:*:*:*16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_edge_gateway:14.1.4:*:*:*:*:*:*:*14.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_edge_gateway:16.0.1.1:*:*:*:*:*:*:*16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_fraud_protection_service:14.1.4:*:*:*:*:*:*:*14.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_fraud_protection_service:16.0.1.1:*:*:*:*:*:*:*16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_global_traffic_manager:14.1.4:*:*:*:*:*:*:*14.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_global_traffic_manager:16.0.1.1:*:*:*:*:*:*:*16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_link_controller:14.1.4:*:*:*:*:*:*:*14.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_link_controller:16.0.1.1:*:*:*:*:*:*:*16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_local_traffic_manager:14.1.4:*:*:*:*:*:*:*14.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_local_traffic_manager:16.0.1.1:*:*:*:*:*:*:*16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:14.1.4:*:*:*:*:*:*:*14.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:16.0.1.1:*:*:*:*:*:*:*16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_ssl_orchestrator:14.1.4:*:*:*:*:*:*:*14.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_ssl_orchestrator:16.0.1.1:*:*:*:*:*:*:*16.0.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_webaccelerator:14.1.4:*:*:*:*:*:*:*14.1.4VulnerableF5
cpe:2.3:a:f5:big-ip_webaccelerator:16.0.1.1:*:*:*:*:*:*:*16.0.1.1VulnerableF5
  • cpe:2.3:a:f5:big-ip_application_security_manager:14.1.4:*:*:*:*:*:*:* Versions 14.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_security_manager:16.0.1.1:*:*:*:*:*:*:* Versions 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:14.1.4:*:*:*:*:*:*:* Versions 14.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:16.0.1.1:*:*:*:*:*:*:* Versions 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_domain_name_system:14.1.4:*:*:*:*:*:*:* Versions 14.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_domain_name_system:16.0.1.1:*:*:*:*:*:*:* Versions 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_edge_gateway:14.1.4:*:*:*:*:*:*:* Versions 14.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_edge_gateway:16.0.1.1:*:*:*:*:*:*:* Versions 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_fraud_protection_service:14.1.4:*:*:*:*:*:*:* Versions 14.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_fraud_protection_service:16.0.1.1:*:*:*:*:*:*:* Versions 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_global_traffic_manager:14.1.4:*:*:*:*:*:*:* Versions 14.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_global_traffic_manager:16.0.1.1:*:*:*:*:*:*:* Versions 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_link_controller:14.1.4:*:*:*:*:*:*:* Versions 14.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_link_controller:16.0.1.1:*:*:*:*:*:*:* Versions 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_local_traffic_manager:14.1.4:*:*:*:*:*:*:* Versions 14.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_local_traffic_manager:16.0.1.1:*:*:*:*:*:*:* Versions 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_policy_enforcement_manager:14.1.4:*:*:*:*:*:*:* Versions 14.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_policy_enforcement_manager:16.0.1.1:*:*:*:*:*:*:* Versions 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_ssl_orchestrator:14.1.4:*:*:*:*:*:*:* Versions 14.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_ssl_orchestrator:16.0.1.1:*:*:*:*:*:*:* Versions 16.0.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_webaccelerator:14.1.4:*:*:*:*:*:*:* Versions 14.1.4 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_webaccelerator:16.0.1.1:*:*:*:*:*:*:* Versions 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-2021-23007
  2. 2026-10-03 Alias added: GHSA-4g5c-cjq7-xrqv

References

Exploit 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