VULNERABILITY INTELLIGENCE
CVE-2021-23033
CVSS score7.5 HIGH
EPSS probability0.93%
CISA KEVNot currently listed
Published2021-09-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
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.
Weakness classification
- f5sirt@f5.com: CWE-20
- nvd@nist.gov: NVD-CWE-noinfo
Primary references
- f5sirt@f5.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory