VULNERABILITY INTELLIGENCE
CVE-2021-22979
CVSS score6.1 MEDIUM
EPSS probability0.60%
CISA KEVNot currently listed
Published2021-02-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Description
On BIG-IP version 16.0.x before 16.0.1, 15.1.x before 15.1.1, 14.1.x before 14.1.2.8, 13.1.x before 13.1.3.5, and all 12.1.x versions, a reflected Cross-Site Scripting (XSS) vulnerability exists in an undisclosed page of the BIG-IP Configuration utility when Fraud Protection Service is provisioned and allows an attacker to execute JavaScript in the context of the current logged-in user. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
Weakness classification
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Primary references
- f5sirt@f5.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory