Improper input validation in F5 BIG-IP PEM
Priority LOW 33CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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
In versions 13.0.0, 12.0.0-12.1.3, or 11.6.0-11.6.2, an F5 BIG-IP virtual server using the URL categorization feature may cause the Traffic Management Microkernel (TMM) to produce a core file when it receives malformed URLs during categorization.
Why it matters now
EPSS 0.01421 72nd 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 | BIG-IP PEM | 13.0.0; 12.0.0-12.1.3; 11.6.0-11.6.2 | — | No fix listed | CNA |
- BIG-IP PEM VendorF5 Affected 13.0.0; 12.0.0-12.1.3; 11.6.0-11.6.2 Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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_policy_enforcement_manager:11.6.1:*:*:*:*:*:*:* | 11.6.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.6.2:*:*:*:*:*:*:* | 11.6.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:12.0.0:*:*:*:*:*:*:* | 12.0.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:12.1.0:*:*:*:*:*:*:* | 12.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:12.1.1:*:*:*:*:*:*:* | 12.1.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:12.1.2:*:*:*:*:*:*:* | 12.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:12.1.3:*:*:*:*:*:*:* | 12.1.3 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:13.0.0:*:*:*:*:*:*:* | 13.0.0 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.6.0:*:*:*:*:*:*:* Versions 11.6.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.6.1:*:*:*:*:*:*:* Versions 11.6.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.6.2:*:*:*:*:*:*:* Versions 11.6.2 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_policy_enforcement_manager:12.1.3:*:*:*:*:*:*:* Versions 12.1.3 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager:13.0.0:*:*:*:*:*:*:* Versions 13.0.0 Vulnerable ·F5
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-6169
- 2026-10-03 Alias added: GHSA-gfm6-wg4x-3jvg
References
More F5 Big-ip Policy Enforcement 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-2017-6169 · CVE Program
- CVE-2017-6169 · NVD
- FIRST EPSS
- GHSA-gfm6-wg4x-3jvg · GitHub Advisory Database · CC BY 4.0
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