Vulnerability Details : CVE-2021-23050
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.
Vulnerability category: Cross-site request forgery (CSRF)
Products affected by CVE-2021-23050
- F5 » Big-ip Application Security ManagerVersions from including (>=) 16.0.0 and before (<) 16.0.1.2cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
- F5 » Big-ip Application Security ManagerVersions from including (>=) 15.1.0 and before (<) 15.1.3.1cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
- F5 » Big-ip Advanced Web Application FirewallVersions from including (>=) 15.1.0 and before (<) 15.1.3.1cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
- F5 » Big-ip Advanced Web Application FirewallVersions from including (>=) 16.0.0 and before (<) 16.0.1.2cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
- cpe:2.3:a:f5:nginx_app_protect:*:*:*:*:*:*:*:*
- cpe:2.3:a:f5:nginx_app_protect:*:*:*:*:*:*:*:*
- cpe:2.3:a:f5:nginx_app_protect:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-23050
0.25%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 45 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-23050
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-23050
-
The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.Assigned by: f5sirt@f5.com (Secondary)
References for CVE-2021-23050
-
https://support.f5.com/csp/article/K44553214
Web application firewall vulnerability CVE-2021-23050Vendor Advisory
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