CVE-2021-23050 json
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…
published 2021-09-14 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-10168
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 40%
- public exploits
- 0
- none known
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.
Patch / fix
- f5 big-ip_advanced_web_application_firewall 15.1.3.1, 16.0.1.2
- f5 big-ip_application_security_manager 15.1.3.1, 16.0.1.2
- f5 nginx_app_protect 3.5.0
Exploit prediction
0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- n/a BIG-IP Advanced WAF and BIG-IP ASM; NGINX App Protect
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
support.f5.com
/csp/article/K44553214
vendor-advisory
Sources
- CVE List CVE-2021-23050
- NVD CVE-2021-23050
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