What is CVE-2021-23030?

CVE-2021-23030 is a high-severity vulnerability in F5 Big-Ip Advanced Web Application Firewall, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2021-09-14.

How severe is CVE-2021-23030?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in F5 Big-Ip Advanced Web Application Firewall

CVE-2021-23030

On BIG-IP Advanced WAF and BIG-IP ASM version 16.0.x before 16.0.1.2, 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 class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.010 (58.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

F5 Big-ip_advanced_web_application_firewall
F5 Big-ip_application_security_manager
N/a Big-ip Advanced Waf And Asm — versions 16.0.x before 16.0.1.2, 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

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

f5sirt@f5.com (x_refsource_MISC, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2021-23030?: CVE-2021-23030 is a high-severity vulnerability in F5 Big-Ip Advanced Web Application Firewall, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2021-09-14.
How severe is CVE-2021-23030?: High severity. CVSS v3 base score is 7.5 out of 10.