Cross-site request forgery in BIG-IP Advanced WAF and BIG-IP ASM; NGINX App Protect
Priority LOW 33CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-352.
Summary
On BIG-IP Advanced WAF and BIG-IP ASM version 16.0.x before 16.0.1.2 and 15.1.x before 15.1.3 and NGINX App Protect on all versions before 3.5.0, when a cross-site request forgery (CSRF)-enabled policy is configured on a virtual server, an undisclosed HTML response may cause the bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Why it matters now
EPSS 0.00468 40th 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 and BIG-IP ASM; NGINX App Protect | BIG-IP Advanced WAF and BIG-IP ASM 16.0.x before 16.0.1.2 and 15.1.x before 15.1.3; NGINX App Protect all versions before 3.5.0 | — | No fix listed | CNA |
- BIG-IP Advanced WAF and BIG-IP ASM; NGINX App Protect Vendor— Affected BIG-IP Advanced WAF and BIG-IP ASM 16.0.x before 16.0.1.2 and 15.1.x before 15.1.3; NGINX App Protect all versions before 3.5.0 Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* | 15.1.0 to before 15.1.3.1; 16.0.0 to before 16.0.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* | 15.1.0 to before 15.1.3.1; 16.0.0 to before 16.0.1.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:nginx_app_protect:*:*:*:*:*:*:*:* | 1.0.0 – 1.3.0; 2.0.0 – 2.3.0; 3.0.0 to before 3.5.0 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* Versions 15.1.0 to before 15.1.3.1; 16.0.0 to before 16.0.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* Versions 15.1.0 to before 15.1.3.1; 16.0.0 to before 16.0.1.2 Vulnerable ·F5
- cpe:2.3:a:f5:nginx_app_protect:*:*:*:*:*:*:*:* Versions 1.0.0 – 1.3.0; 2.0.0 – 2.3.0; 3.0.0 to before 3.5.0 Vulnerable ·F5
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-23050
- 2026-10-03 Alias added: GHSA-rf2j-3ww5-qfxx
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-2021-23050 · CVE Program
- CVE-2021-23050 · NVD
- FIRST EPSS
- GHSA-rf2j-3ww5-qfxx · GitHub Advisory Database · CC BY 4.0
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