What is CVE-2021-23014?

CVE-2021-23014 is a high-severity vulnerability in F5 Big-Ip Advanced Web Application Firewall, classified under Missing Authorization. CVSS score: 8.8/10. Published 2021-05-10.

How severe is CVE-2021-23014?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in F5 Big-Ip Advanced Web Application Firewall

CVE-2021-23014

On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, and 14.1.x before 14.1.4, BIG-IP Advanced WAF and ASM are missing authorization checks for file uploads to a specific directory within the REST API which might allow Authenticated users with guest privileges to upload files. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Vulnerability class: Broken Access Control

EPSS: 0.008 (55.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

F5 Big-ip_advanced_web_application_firewall
F5 Big-ip_application_security_manager
N/a Big-ip Asm/advanced Waf — versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, and 14.1.x before 14.1.4

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

f5sirt@f5.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-23014?: CVE-2021-23014 is a high-severity vulnerability in F5 Big-Ip Advanced Web Application Firewall, classified under Missing Authorization. CVSS score: 8.8/10. Published 2021-05-10.
How severe is CVE-2021-23014?: High severity. CVSS v3 base score is 8.8 out of 10.