AUGUST 4, 2026
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Case File

CVE-2021-22976

HIGH · CVSS 7.5 EPSS 0.96%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-12 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-22976
Severity
HIGH
CVSS
7.5
EPSS
0.96%
BIG-IP

Original NVD Description

On BIG-IP Advanced WAF and ASM version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, and all 12.1.x versions, when the BIG-IP ASM system processes WebSocket requests with JSON payloads, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.