AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-22998

MEDIUM · CVSS 5.3 EPSS 0.95%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-31 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.3. It affects BIG-IP.

CVE
CVE-2021-22998
Severity
MEDIUM
CVSS
5.3
EPSS
0.95%
BIG-IP

Original NVD Description

On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3, SYN flood protection thresholds are not enforced in secure network address translation (SNAT) listeners. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

Related CVEs

Other vulnerabilities affecting the same vendor(s)