Vulnerability Details : CVE-2021-23033
On BIG-IP Advanced WAF and BIG-IP ASM version 16.x before 16.1.0x, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, 13.1.x before 13.1.4.1, and all versions of 12.1.x, when a WebSocket profile is configured on a virtual server, undisclosed requests can cause bd to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Vulnerability category: Input validation
Products affected by CVE-2021-23033
- F5 » Big-ip Application Security ManagerVersions from including (>=) 13.1.0 and before (<) 13.1.4.1cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
- F5 » Big-ip Application Security ManagerVersions from including (>=) 12.1.0 and up to, including, (<=) 12.1.6cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
- F5 » Big-ip Application Security ManagerVersions from including (>=) 14.1.0 and before (<) 14.1.4.3cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
- cpe: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 (>=) 14.1.0 and before (<) 14.1.4.3cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
- 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 (>=) 12.1.0 and up to, including, (<=) 12.1.6cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
- F5 » Big-ip Advanced Web Application FirewallVersions from including (>=) 13.1.0 and before (<) 13.1.4.1cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
- F5 » Big-ip Advanced Web Application FirewallVersions from including (>=) 16.0.0 and before (<) 16.1.0cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-23033
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-23033
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
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-2021-23033
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: f5sirt@f5.com (Secondary)
References for CVE-2021-23033
-
https://support.f5.com/csp/article/K05314769
BIG-IP Advanced WAF and ASM WebSocket vulnerability CVE-2021-23033Vendor Advisory
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