Incorrect permission assignment in F5 BIG-IP
Priority LOW 21CWE-732Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
On F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.3, 11.6.0-11.6.3.1, or 11.5.1-11.5.6, Enterprise Manager 3.1.1, BIG-IQ Centralized Management 5.0.0-5.1.0, BIG-IQ Cloud and Orchestration 1.0.0, or F5 iWorkflow 2.1.0-2.3.0 the big3d process does not irrevocably minimize group privileges at start up.
Why it matters now
EPSS 0.00411 35th 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 (DNS, GTM) | 13.0.0-13.0.1; 12.1.0-12.1.3.3; 11.6.0-11.6.3.1; 11.5.1-11.5.6 | — | No fix listed | CNA |
| F5 | Enterprise Manager | 3.1.1 | — | No fix listed | CNA |
| F5 | BIG-IQ Centralized Management | 5.0.0-5.1.0 | — | No fix listed | CNA |
| F5 | BIG-IQ Cloud and Orchestration | 1.0.0 | — | No fix listed | CNA |
| F5 | F5 iWorkflow | 2.1.0-2.3.0 | — | No fix listed | CNA |
- BIG-IP (DNS, GTM) VendorF5 Affected 13.0.0-13.0.1; 12.1.0-12.1.3.3; 11.6.0-11.6.3.1; 11.5.1-11.5.6 Fixed in — No fix listed CNA
- Enterprise Manager VendorF5 Affected 3.1.1 Fixed in — No fix listed CNA
- BIG-IQ Centralized Management VendorF5 Affected 5.0.0-5.1.0 Fixed in — No fix listed CNA
- BIG-IQ Cloud and Orchestration VendorF5 Affected 1.0.0 Fixed in — No fix listed CNA
- F5 iWorkflow VendorF5 Affected 2.1.0-2.3.0 Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* | 11.5.1 – 11.5.6; 11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.3; 13.0.0 – 13.0.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* | 11.5.1 – 11.5.6; 11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.3; 13.0.0 – 13.0.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:enterprise_manager:3.1.1:*:*:*:*:*:*:* | 3.1.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-iq_centralized_management:*:*:*:*:*:*:*:* | 5.0.0 – 5.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-iq_cloud_and_orchestration:1.0.0:*:*:*:*:*:*:* | 1.0.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:f5_iworkflow:*:*:*:*:*:*:*:* | 2.1.0 – 2.3.0 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* Versions 11.5.1 – 11.5.6; 11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.3; 13.0.0 – 13.0.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* Versions 11.5.1 – 11.5.6; 11.6.0 – 11.6.3.1; 12.1.0 – 12.1.3.3; 13.0.0 – 13.0.1 Vulnerable ·F5
- cpe:2.3:a:f5:enterprise_manager:3.1.1:*:*:*:*:*:*:* Versions 3.1.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-iq_centralized_management:*:*:*:*:*:*:*:* Versions 5.0.0 – 5.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-iq_cloud_and_orchestration:1.0.0:*:*:*:*:*:*:* Versions 1.0.0 Vulnerable ·F5
- cpe:2.3:a:f5:f5_iworkflow:*:*:*:*:*:*:*:* Versions 2.1.0 – 2.3.0 Vulnerable ·F5
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-5540
- 2026-10-03 Alias added: GHSA-6vp9-vc7c-884p
References
More F5 Big-ip Domain Name System 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-2023-25231 BIG-IP Configuration utility authenticated SQL injection vulnerability KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2018-5540 · CVE Program
- CVE-2018-5540 · NVD
- FIRST EPSS
- GHSA-6vp9-vc7c-884p · GitHub Advisory Database · CC BY 4.0
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