The automatic signature update functionality in the (1) Phone Home feature in F5 BIG-IP…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The automatic signature update functionality in the (1) Phone Home feature in F5 BIG-IP LTM, AAM, AFM, Analytics, APM, GTM, and Link Controller 11.5.0 through 11.6.0, ASM 10.0.0 through 11.6.0, and PEM 11.3.0 through 11.6.0 and the (2) Call Home feature in ASM 10.0.0 through 11.6.0 and PEM 11.3.0 through 11.6.0 does not properly validate server SSL certificates, which allows remote attackers to conduct man-in-the-middle attacks via a crafted certificate.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 39
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-ip_application_acceleration_manager:11.5.0:*:*:*:*:*:*:* | 11.5.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_acceleration_manager:11.5.1:*:*:*:*:*:*:* | 11.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_acceleration_manager:11.5.2:*:*:*:*:*:*:* | 11.5.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_acceleration_manager:11.6.0:*:*:*:*:*:*:* | 11.6.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.3.0:*:*:*:*:*:*:* | 11.3.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.4.0:*:*:*:*:*:*:* | 11.4.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.4.1:*:*:*:*:*:*:* | 11.4.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.5.0:*:*:*:*:*:*:* | 11.5.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.5.2:*:*:*:*:*:*:* | 11.5.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.6.0:*:*:*:*:*:*:* | 11.6.0 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-ip_application_acceleration_manager:11.5.0:*:*:*:*:*:*:* Versions 11.5.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_acceleration_manager:11.5.1:*:*:*:*:*:*:* Versions 11.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_acceleration_manager:11.5.2:*:*:*:*:*:*:* Versions 11.5.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_acceleration_manager:11.6.0:*:*:*:*:*:*:* Versions 11.6.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.3.0:*:*:*:*:*:*:* Versions 11.3.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.4.0:*:*:*:*:*:*:* Versions 11.4.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.4.1:*:*:*:*:*:*:* Versions 11.4.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.5.0:*:*:*:*:*:*:* Versions 11.5.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.5.2:*:*:*:*:*:*:* Versions 11.5.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.6.0:*:*:*:*:*:*:* Versions 11.6.0 Vulnerable ·F5
Show 29 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager11.5.1:*:*:*:*:*:*:*:* | all versions | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_global_traffic_manager:11.5.0:*:*:*:*:*:*:* | 11.5.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_global_traffic_manager:11.5.1:*:*:*:*:*:*:* | 11.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_global_traffic_manager:11.5.2:*:*:*:*:*:*:* | 11.5.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_global_traffic_manager:11.6.0:*:*:*:*:*:*:* | 11.6.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_advanced_firewall_manager:11.5.0:*:*:*:*:*:*:* | 11.5.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_advanced_firewall_manager:11.5.1:*:*:*:*:*:*:* | 11.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_advanced_firewall_manager:11.5.2:*:*:*:*:*:*:* | 11.5.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_advanced_firewall_manager:11.6.0:*:*:*:*:*:*:* | 11.6.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_local_traffic_manager:11.5.0:*:*:*:*:*:*:* | 11.5.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_local_traffic_manager:11.5.1:*:*:*:*:*:*:* | 11.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_local_traffic_manager:11.5.2:*:*:*:*:*:*:* | 11.5.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_local_traffic_manager:11.6.0:*:*:*:*:*:*:* | 11.6.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_security_manager:11.5.0:*:*:*:*:*:*:* | 11.5.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_security_manager:11.5.1:*:*:*:*:*:*:* | 11.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_security_manager:11.5.2:*:*:*:*:*:*:* | 11.5.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_security_manager:11.6.0:*:*:*:*:*:*:* | 11.6.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_link_controller:11.5.0:*:*:*:*:*:*:* | 11.5.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_link_controller:11.5.1:*:*:*:*:*:*:* | 11.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_link_controller:11.5.2:*:*:*:*:*:*:* | 11.5.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_link_controller:11.6.0:*:*:*:*:*:*:* | 11.6.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:11.5.0:*:*:*:*:*:*:* | 11.5.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:11.5.1:*:*:*:*:*:*:* | 11.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:11.5.2:*:*:*:*:*:*:* | 11.5.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:11.6.0:*:*:*:*:*:*:* | 11.6.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_analytics:11.5.0:*:*:*:*:*:*:* | 11.5.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_analytics:11.5.1:*:*:*:*:*:*:* | 11.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_analytics:11.5.2:*:*:*:*:*:*:* | 11.5.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_analytics:11.6.0:*:*:*:*:*:*:* | 11.6.0 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager11.5.1:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_global_traffic_manager:11.5.0:*:*:*:*:*:*:* Versions 11.5.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_global_traffic_manager:11.5.1:*:*:*:*:*:*:* Versions 11.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_global_traffic_manager:11.5.2:*:*:*:*:*:*:* Versions 11.5.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_global_traffic_manager:11.6.0:*:*:*:*:*:*:* Versions 11.6.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_advanced_firewall_manager:11.5.0:*:*:*:*:*:*:* Versions 11.5.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_advanced_firewall_manager:11.5.1:*:*:*:*:*:*:* Versions 11.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_advanced_firewall_manager:11.5.2:*:*:*:*:*:*:* Versions 11.5.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_advanced_firewall_manager:11.6.0:*:*:*:*:*:*:* Versions 11.6.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_local_traffic_manager:11.5.0:*:*:*:*:*:*:* Versions 11.5.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_local_traffic_manager:11.5.1:*:*:*:*:*:*:* Versions 11.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_local_traffic_manager:11.5.2:*:*:*:*:*:*:* Versions 11.5.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_local_traffic_manager:11.6.0:*:*:*:*:*:*:* Versions 11.6.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_security_manager:11.5.0:*:*:*:*:*:*:* Versions 11.5.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_security_manager:11.5.1:*:*:*:*:*:*:* Versions 11.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_security_manager:11.5.2:*:*:*:*:*:*:* Versions 11.5.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_security_manager:11.6.0:*:*:*:*:*:*:* Versions 11.6.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_link_controller:11.5.0:*:*:*:*:*:*:* Versions 11.5.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_link_controller:11.5.1:*:*:*:*:*:*:* Versions 11.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_link_controller:11.5.2:*:*:*:*:*:*:* Versions 11.5.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_link_controller:11.6.0:*:*:*:*:*:*:* Versions 11.6.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_access_policy_manager:11.5.0:*:*:*:*:*:*:* Versions 11.5.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_access_policy_manager:11.5.1:*:*:*:*:*:*:* Versions 11.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_access_policy_manager:11.5.2:*:*:*:*:*:*:* Versions 11.5.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_access_policy_manager:11.6.0:*:*:*:*:*:*:* Versions 11.6.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_analytics:11.5.0:*:*:*:*:*:*:* Versions 11.5.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_analytics:11.5.1:*:*:*:*:*:*:* Versions 11.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_analytics:11.5.2:*:*:*:*:*:*:* Versions 11.5.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_analytics:11.6.0:*:*:*:*:*:*:* Versions 11.6.0 Vulnerable ·F5
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2014-9326
- 2026-10-03 Alias added: GHSA-87f9-qh2w-ghc4
References
More F5 Big-ip Access Policy Manager vulnerabilities
- 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
Sources
- CVE-2014-9326 · CVE Program
- CVE-2014-9326 · NVD
- FIRST EPSS
- GHSA-87f9-qh2w-ghc4 · GitHub Advisory Database · CC BY 4.0
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