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TI-2016-07564 Aliases CVE-2016-9256GHSA-mxfw-ggfq-h96h

Race condition in F5 BIG-IP

Priority LOW 35CWE-362Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

In F5 BIG-IP 12.1.0 through 12.1.2, permissions enforced by iControl can lag behind the actual permissions assigned to a user if the role_map is not reloaded between the time the permissions are changed and the time of the user's next request. This is a race condition that occurs rarely in normal usage; the typical period in which this is possible is limited to at most a few seconds after the permission change.

Why it matters now

EPSS 0.01041 64th 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
F5BIG-IP12.1.0-12.1.2—No fix listedCNA
  • BIG-IP VendorF5 Affected 12.1.0-12.1.2 Fixed in — No fix listed CNA

CPE configurations NVD · 40

CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_local_traffic_manager:12.0.0:*:*:*:*:*:*:*12.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_local_traffic_manager:12.1.0:*:*:*:*:*:*:*12.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_local_traffic_manager:12.1.1:*:*:*:*:*:*:*12.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_local_traffic_manager:12.1.2:*:*:*:*:*:*:*12.1.2VulnerableF5
cpe:2.3:a:f5:big-ip_application_acceleration_manager:12.0.0:*:*:*:*:*:*:*12.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_application_acceleration_manager:12.1.0:*:*:*:*:*:*:*12.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_application_acceleration_manager:12.1.1:*:*:*:*:*:*:*12.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_application_acceleration_manager:12.1.2:*:*:*:*:*:*:*12.1.2VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:12.0.0:*:*:*:*:*:*:*12.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:12.1.0:*:*:*:*:*:*:*12.1.0VulnerableF5
  • cpe:2.3:a:f5:big-ip_local_traffic_manager:12.0.0:*:*:*:*:*:*:* Versions 12.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_local_traffic_manager:12.1.0:*:*:*:*:*:*:* Versions 12.1.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_local_traffic_manager:12.1.1:*:*:*:*:*:*:* Versions 12.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_local_traffic_manager:12.1.2:*:*:*:*:*:*:* Versions 12.1.2 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_acceleration_manager:12.0.0:*:*:*:*:*:*:* Versions 12.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_acceleration_manager:12.1.0:*:*:*:*:*:*:* Versions 12.1.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_acceleration_manager:12.1.1:*:*:*:*:*:*:* Versions 12.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_acceleration_manager:12.1.2:*:*:*:*:*:*:* Versions 12.1.2 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_firewall_manager:12.0.0:*:*:*:*:*:*:* Versions 12.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_firewall_manager:12.1.0:*:*:*:*:*:*:* Versions 12.1.0 Vulnerable ·F5
Show 30 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:12.1.1:*:*:*:*:*:*:*12.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:12.1.2:*:*:*:*:*:*:*12.1.2VulnerableF5
cpe:2.3:a:f5:big-ip_analytics:12.0.0:*:*:*:*:*:*:*12.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_analytics:12.1.0:*:*:*:*:*:*:*12.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_analytics:12.1.1:*:*:*:*:*:*:*12.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_analytics:12.1.2:*:*:*:*:*:*:*12.1.2VulnerableF5
cpe:2.3:a:f5:big-ip_access_policy_manager:12.0.0:*:*:*:*:*:*:*12.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_access_policy_manager:12.1.0:*:*:*:*:*:*:*12.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_access_policy_manager:12.1.1:*:*:*:*:*:*:*12.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_access_policy_manager:12.1.2:*:*:*:*:*:*:*12.1.2VulnerableF5
cpe:2.3:a:f5:big-ip_application_security_manager:12.0.0:*:*:*:*:*:*:*12.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_application_security_manager:12.1.0:*:*:*:*:*:*:*12.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_application_security_manager:12.1.1:*:*:*:*:*:*:*12.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_application_security_manager:12.1.2:*:*:*:*:*:*:*12.1.2VulnerableF5
cpe:2.3:a:f5:big-ip_domain_name_system:12.0.0:*:*:*:*:*:*:*12.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_domain_name_system:12.1.0:*:*:*:*:*:*:*12.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_domain_name_system:12.1.1:*:*:*:*:*:*:*12.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_domain_name_system:12.1.2:*:*:*:*:*:*:*12.1.2VulnerableF5
cpe:2.3:a:f5:big-ip_link_controller:12.0.0:*:*:*:*:*:*:*12.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_link_controller:12.1.0:*:*:*:*:*:*:*12.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_link_controller:12.1.1:*:*:*:*:*:*:*12.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_link_controller:12.1.2:*:*:*:*:*:*:*12.1.2VulnerableF5
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:12.0.0:*:*:*:*:*:*:*12.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:12.1.0:*:*:*:*:*:*:*12.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:12.1.1:*:*:*:*:*:*:*12.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:12.1.2:*:*:*:*:*:*:*12.1.2VulnerableF5
cpe:2.3:a:f5:big-ip_websafe:12.0.0:*:*:*:*:*:*:*12.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_websafe:12.1.0:*:*:*:*:*:*:*12.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_websafe:12.1.1:*:*:*:*:*:*:*12.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_websafe:12.1.2:*:*:*:*:*:*:*12.1.2VulnerableF5
  • cpe:2.3:a:f5:big-ip_advanced_firewall_manager:12.1.1:*:*:*:*:*:*:* Versions 12.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_firewall_manager:12.1.2:*:*:*:*:*:*:* Versions 12.1.2 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_analytics:12.0.0:*:*:*:*:*:*:* Versions 12.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_analytics:12.1.0:*:*:*:*:*:*:* Versions 12.1.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_analytics:12.1.1:*:*:*:*:*:*:* Versions 12.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_analytics:12.1.2:*:*:*:*:*:*:* Versions 12.1.2 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_access_policy_manager:12.0.0:*:*:*:*:*:*:* Versions 12.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_access_policy_manager:12.1.0:*:*:*:*:*:*:* Versions 12.1.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_access_policy_manager:12.1.1:*:*:*:*:*:*:* Versions 12.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_access_policy_manager:12.1.2:*:*:*:*:*:*:* Versions 12.1.2 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_security_manager:12.0.0:*:*:*:*:*:*:* Versions 12.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_security_manager:12.1.0:*:*:*:*:*:*:* Versions 12.1.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_security_manager:12.1.1:*:*:*:*:*:*:* Versions 12.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_security_manager:12.1.2:*:*:*:*:*:*:* Versions 12.1.2 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_domain_name_system:12.0.0:*:*:*:*:*:*:* Versions 12.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_domain_name_system:12.1.0:*:*:*:*:*:*:* Versions 12.1.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_domain_name_system:12.1.1:*:*:*:*:*:*:* Versions 12.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_domain_name_system:12.1.2:*:*:*:*:*:*:* Versions 12.1.2 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_link_controller:12.0.0:*:*:*:*:*:*:* Versions 12.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_link_controller:12.1.0:*:*:*:*:*:*:* Versions 12.1.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_link_controller:12.1.1:*:*:*:*:*:*:* Versions 12.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_link_controller:12.1.2:*:*:*:*:*:*:* Versions 12.1.2 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_policy_enforcement_manager:12.0.0:*:*:*:*:*:*:* Versions 12.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_policy_enforcement_manager:12.1.0:*:*:*:*:*:*:* Versions 12.1.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_policy_enforcement_manager:12.1.1:*:*:*:*:*:*:* Versions 12.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_policy_enforcement_manager:12.1.2:*:*:*:*:*:*:* Versions 12.1.2 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_websafe:12.0.0:*:*:*:*:*:*:* Versions 12.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_websafe:12.1.0:*:*:*:*:*:*:* Versions 12.1.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_websafe:12.1.1:*:*:*:*:*:*:* Versions 12.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_websafe:12.1.2:*:*:*:*:*:*:* Versions 12.1.2 Vulnerable ·F5

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-9256
  2. 2026-10-03 Alias added: GHSA-mxfw-ggfq-h96h

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