CVE-2021-21973

VMware — VMware vCenter Server and Cloud Foundation Server Side Request Forgery (SSRF) Vulnerability

CISA KEV · in the CISA KEV catalog since 2022-03-07

What EVULNABLE says

EVULNABLE Risk · priority 78/100 Urgent Intelligence coverage 75/90 — no pre-patch disclosure data
Overdue by 4.5 yearsCISA KEVActively Exploited

Why it matters: Listed in the CISA KEV catalog, and an EPSS probability of 0.876.

Patch This Cycle

The priority band answers “how soon”, not “how bad” — see Methodology for what it weighs and where it abstains.

The evidence behind it

Published measurements for CVE-2021-21973
MeasureValueSource
CVSS base score 5.3 NVD
FIRST EPSS 0.876 (99.75th pctl) FIRST
Actively exploited Confirmed CISA KEV
Ransomware campaign use Unknown or none CISA KEV
CISA remediation deadline 2022-03-21 — Overdue by 4.5 years CISA KEV
Intelligence coverage 75/90 — no pre-patch disclosure data

What CISA says to do

This page is an opinion about urgency. Where it and a source of record disagree, the source of record is the record.