In BIG-IP Advanced WAF and FPS versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and…
Priority LOW 35Published · 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 3.1 · NVD. Fix status from CNA.
Summary
In BIG-IP Advanced WAF and FPS versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7, under some circumstances, certain format client-side alerts sent to the BIG-IP virtual server configured with DataSafe may cause the Traffic Management Microkernel (TMM) to restart, resulting in a Denial-of-Service (DoS).
Why it matters now
EPSS 0.01044 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 |
|---|---|---|---|---|---|
| — | BIG-IP (Advanced WAF, FPS) | 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.2.7 | — | No fix listed | CNA |
- BIG-IP (Advanced WAF, FPS) Vendor— Affected 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.2.7 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* | 14.1.0 to before 14.1.2.8; after 15.1.0, before 15.1.1; 16.0.0 to before 16.0.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* | 14.1.0 to before 14.1.2.8; 15.1.0 to before 15.1.1; 16.0.0 to before 16.0.1 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* Versions 14.1.0 to before 14.1.2.8; after 15.1.0, before 15.1.1; 16.0.0 to before 16.0.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* Versions 14.1.0 to before 14.1.2.8; 15.1.0 to before 15.1.1; 16.0.0 to before 16.0.1 Vulnerable ·F5
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-5946
- 2026-10-03 Alias added: GHSA-fc22-93xp-cww8
References
More F5 Big-ip Advanced Web Application Firewall vulnerabilities
- TI-2023-25230 BIG-IP Configuration utility unauthenticated remote code execution vulnerability 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
- TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
Sources
- CVE-2020-5946 · CVE Program
- CVE-2020-5946 · NVD
- FIRST EPSS
- GHSA-fc22-93xp-cww8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences