When F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, or 11.5.1-11.5.6 is…
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
When F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, or 11.5.1-11.5.6 is processing specially crafted TCP traffic with the Large Receive Offload (LRO) feature enabled, TMM may crash, leading to a failover event. This vulnerability is not exposed unless LRO is enabled, so most affected customers will be on 13.1.x. LRO has been available since 11.4.0 but is not enabled by default until 13.1.0.
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 |
|---|---|---|---|---|---|
| F5 | BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator) | 13.0.0-13.1.0.5; 12.1.0-12.1.3.5; 11.6.0-11.6.3.2; 11.5.1-11.5.6 | — | No fix listed | CNA |
- BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator) VendorF5 Affected 13.0.0-13.1.0.5; 12.1.0-12.1.3.5; 11.6.0-11.6.3.2; 11.5.1-11.5.6 Fixed in — No fix listed CNA
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* | 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* | 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* | 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* | 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* | 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* | 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* | 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* | 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* | 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* Versions 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* Versions 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* Versions 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* Versions 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* Versions 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* Versions 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* Versions 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* Versions 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* Versions 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* Versions 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 Vulnerable ·F5
Show 3 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* | 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* | 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* | 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* Versions 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* Versions 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* Versions 11.5.1 – 11.5.6; 11.6.0.0 – 11.6.3.2; 12.1.0.0 – 12.1.3.5; 13.0.0.0 – 13.1.0.5 Vulnerable ·F5
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-15311
- 2026-10-03 Alias added: GHSA-8m2w-3h87-fqw3
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-2018-15311 · CVE Program
- CVE-2018-15311 · NVD
- FIRST EPSS
- GHSA-8m2w-3h87-fqw3 · GitHub Advisory Database · CC BY 4.0
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