Improper input validation in F5 BIG-IP LTM, AAM, AFM, APM, ASM, Link Controller, PEM…
Priority LOW 29CWE-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 F5 BIG-IP LTM, AAM, AFM, APM, ASM, Link Controller, PEM, and WebSafe 12.1.0 through 12.1.2, certain values in a TLS abbreviated handshake when using a client SSL profile with the Session Ticket option enabled may cause disruption of service to the Traffic Management Microkernel (TMM). The Session Ticket option is disabled by default.
Why it matters now
EPSS 0.01065 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| F5 | F5 BIG-IP LTM, AAM, AFM, APM, ASM, Link Controller, PEM, WebSafe | 12.1.0 through 12.1.2 | — | No fix listed | CNA |
- F5 BIG-IP LTM, AAM, AFM, APM, ASM, Link Controller, PEM, WebSafe VendorF5 Affected 12.1.0 through 12.1.2 Fixed in — No fix listed CNA
CPE configurations NVD · 24
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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:12.1.2:*:*:*:*:*:*:* | 12.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_advanced_firewall_manager:12.1.0:*:*:*:*:*:*:* | 12.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_advanced_firewall_manager:12.1.1:*:*:*:*:*:*:* | 12.1.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_advanced_firewall_manager:12.1.2:*:*:*:*:*:*:* | 12.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_acceleration_manager:12.1.0:*:*:*:*:*:*:* | 12.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_acceleration_manager:12.1.1:*:*:*:*:*:*:* | 12.1.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_acceleration_manager:12.1.2:*:*:*:*:*:*:* | 12.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_security_manager:12.1.0:*:*:*:*:*:*:* | 12.1.0 | 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_advanced_firewall_manager:12.1.0:*:*:*:*:*:*:* Versions 12.1.0 Vulnerable ·F5
- 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_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_application_security_manager:12.1.0:*:*:*:*:*:*:* Versions 12.1.0 Vulnerable ·F5
Show 14 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-ip_application_security_manager:12.1.1:*:*:*:*:*:*:* | 12.1.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_security_manager:12.1.2:*:*:*:*:*:*:* | 12.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_link_controller:12.1.0:*:*:*:*:*:*:* | 12.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_link_controller:12.1.1:*:*:*:*:*:*:* | 12.1.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_link_controller:12.1.2:*:*:*:*:*:*:* | 12.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_local_traffic_manager:12.1.0:*:*:*:*:*:*:* | 12.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_local_traffic_manager:12.1.1:*:*:*:*:*:*:* | 12.1.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_local_traffic_manager:12.1.2:*:*:*:*:*:*:* | 12.1.2 | 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_websafe:12.1.0:*:*:*:*:*:*:* | 12.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_websafe:12.1.1:*:*:*:*:*:*:* | 12.1.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_websafe:12.1.2:*:*:*:*:*:*:* | 12.1.2 | 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_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_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_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:12.1.0:*:*:*:*:*:*:* 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
- 2026-10-02 Threatist record created from CVE-2017-6141
- 2026-10-03 Alias added: GHSA-rrff-4pjq-q3cc
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-2017-6141 · CVE Program
- CVE-2017-6141 · NVD
- FIRST EPSS
- GHSA-rrff-4pjq-q3cc · GitHub Advisory Database · CC BY 4.0
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