CVE-2021-23050: f5 big-ip_advanced_web_application_firewall Cross-Site Request Forgery (CSRF)
Vulnerability summary
CVE-2021-23050 is a high (CVSS 7.5) Cross-Site Request Forgery (CSRF) vulnerability in f5 big-ip_advanced_web_application_firewall. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.4% of scored vulnerabilities.
Timeline
- 14-09-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.47%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
0.00 pp
From 0.47% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
F53 products
- big-ip_advanced_web_application_firewall≥ 15.1.0, < 15.1.3.1 | ≥ 16.0.0, < 16.0.1.2
- big-ip_application_security_manager≥ 15.1.0, < 15.1.3.1 | ≥ 16.0.0, < 16.0.1.2
- nginx_app_protect≥ 1.0.0, ≤ 1.3.0 | ≥ 2.0.0, ≤ 2.3.0 | ≥ 3.0.0, < 3.5.0
1 vendor · 3 products