VULNERABILITY INTELLIGENCE
CVE-2021-23031
CVSS score9.9 CRITICAL
EPSS probability2.81%
CISA KEVNot currently listed
Published2021-09-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Description
On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4.1, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and 11.6.x before 11.6.5.3, an authenticated user may perform a privilege escalation on the BIG-IP Advanced WAF and ASM Configuration utility. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Weakness classification
- CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Primary references
- f5sirt@f5.com — Mitigation, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Vendor Advisory