Improper input validation in F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link…
Priority LOW 36CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- 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 F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM and WebSafe software version 13.0.0 and 12.1.0 - 12.1.2, malicious requests made to virtual servers with an HTTP profile can cause the TMM to restart. The issue is exposed with BIG-IP APM profiles, regardless of settings. The issue is also exposed with the non-default "normalize URI" configuration options used in iRules and/or BIG-IP LTM policies.
Why it matters now
EPSS 0.01585 75th 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 LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM, WebSafe | 13.0.0; 12.1.0 - 12.1.2 | — | No fix listed | CNA |
- BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM, WebSafe VendorF5 Affected 13.0.0; 12.1.0 - 12.1.2 Fixed in — No fix listed CNA
CPE configurations NVD · 22
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* | 12.1.0 – 12.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_local_traffic_manager:13.0.0:*:*:*:*:*:*:* | 13.0.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* | 12.1.0 – 12.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_acceleration_manager:13.0.0:*:*:*:*:*:*:* | 13.0.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* | 12.1.0 – 12.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_advanced_firewall_manager:13.0.0:*:*:*:*:*:*:* | 13.0.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* | 12.1.0 – 12.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_analytics:13.0.0:*:*:*:*:*:*:* | 13.0.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | 12.1.0 – 12.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:13.0.0:*:*:*:*:*:*:* | 13.0.0 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* Versions 12.1.0 – 12.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_local_traffic_manager:13.0.0:*:*:*:*:*:*:* Versions 13.0.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* Versions 12.1.0 – 12.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_acceleration_manager:13.0.0:*:*:*:*:*:*:* Versions 13.0.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* Versions 12.1.0 – 12.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_advanced_firewall_manager:13.0.0:*:*:*:*:*:*:* Versions 13.0.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* Versions 12.1.0 – 12.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_analytics:13.0.0:*:*:*:*:*:*:* Versions 13.0.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* Versions 12.1.0 – 12.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_access_policy_manager:13.0.0:*:*:*:*:*:*:* Versions 13.0.0 Vulnerable ·F5
Show 12 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* | 12.1.0 – 12.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_security_manager:13.0.0:*:*:*:*:*:*:* | 13.0.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_dns:*:*:*:*:*:*:*:* | 12.1.0 – 12.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_dns:13.0.0:*:*:*:*:*:*:* | 13.0.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* | 12.1.0 – 12.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_global_traffic_manager:13.0.0:*:*:*:*:*:*:* | 13.0.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* | 12.1.0 – 12.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_link_controller:13.0.0:*:*:*:*:*:*:* | 13.0.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* | 12.1.0 – 12.1.2 | 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_websafe:*:*:*:*:*:*:*:* | 12.1.0 – 12.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_websafe:13.0.0:*:*:*:*:*:*:* | 13.0.0 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* Versions 12.1.0 – 12.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_security_manager:13.0.0:*:*:*:*:*:*:* Versions 13.0.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_dns:*:*:*:*:*:*:*:* Versions 12.1.0 – 12.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_dns:13.0.0:*:*:*:*:*:*:* Versions 13.0.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* Versions 12.1.0 – 12.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_global_traffic_manager:13.0.0:*:*:*:*:*:*:* Versions 13.0.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* Versions 12.1.0 – 12.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_link_controller:13.0.0:*:*:*:*:*:*:* Versions 13.0.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* Versions 12.1.0 – 12.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager:13.0.0:*:*:*:*:*:*:* Versions 13.0.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:* Versions 12.1.0 – 12.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_websafe: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-2017-6138
- 2026-10-03 Alias added: GHSA-mgm7-38vm-9xw5
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-2017-6138 · CVE Program
- CVE-2017-6138 · NVD
- FIRST EPSS
- GHSA-mgm7-38vm-9xw5 · GitHub Advisory Database · CC BY 4.0
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