Improper input validation in F5 BIG-IP APM
Priority LOW 28CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
The TMM SSO plugin in F5 BIG-IP APM 12.0.0 - 12.1.1, 11.6.0 - 11.6.1 HF1, 11.5.4 - 11.5.4 HF2, when configured as a SAML Identity Provider with a Service Provider (SP) connector, might allow traffic to be disrupted or failover initiated when a malformed, signed SAML authentication request from an authenticated user is sent via the SP connector.
Why it matters now
EPSS 0.01923 80th 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| F5 | F5 BIG-IP APM | 12.0.0 - 12.1.1, 11.6.0 - 11.6.1 HF1, 11.5.4 - 11.5.4 HF2 | — | No fix listed | CNA |
- F5 BIG-IP APM VendorF5 Affected 12.0.0 - 12.1.1, 11.6.0 - 11.6.1 HF1, 11.5.4 - 11.5.4 HF2 Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-ip_access_policy_manager:11.5.4:*:*:*:*:*:*:* | 11.5.4 | 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_access_policy_manager:11.6.1:*:*:*:*:*:*:* | 11.6.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:12.0.0:*:*:*:*:*:*:* | 12.0.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:12.1.0:*:*:*:*:*:*:* | 12.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:12.1.1:*:*:*:*:*:*:* | 12.1.1 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-ip_access_policy_manager:11.5.4:*:*:*:*:*:*:* Versions 11.5.4 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_access_policy_manager:11.6.1:*:*:*:*:*:*:* Versions 11.6.1 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-7467
- 2026-10-03 Alias added: GHSA-gxpj-cpjp-q8f2
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-2016-7467 · CVE Program
- CVE-2016-7467 · NVD
- FIRST EPSS
- GHSA-gxpj-cpjp-q8f2 · GitHub Advisory Database · CC BY 4.0
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