MEDIUMCVSS v3.1 5.3Actively exploited · CISA KEV since 2022-03-07Vulnerability

CVE-2021-21973

VMware vCenter Server and Cloud Foundation Server contain a SSRF vulnerability due to improper validation of URLs in a vCenter Server plugin. This allows for information disclosure.

Properties

Euvd product
VMware Cloud Foundation, VMware vCenter Server
Vulnerability name
VMware vCenter Server and Cloud Foundation Server Side Request Forgery (SSRF) Vulnerability
First seen
2025-10-21T23:25:54+00:00
Cvss score
5.3
Epss score
0.88012
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-03-21
Euvd assigner
vmware
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2022-03-07T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2022-03-07
Score
5.3
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
VMware
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
In Signal since
initial import (Sep 2026)
Euvd base score
5.3

Related Entities (45 · showing 23)

AFFECTS_PRODUCT (42 · showing 20)

→[Product]cpe:2.3:a:vmware:vcenter_server:7.0:-:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:7.0:c:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:6.5:update2d:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:6.5:update2:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:6.7:a:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:6.5:update1g:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:6.7:update3:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:6.7:update2:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:6.7:update3j:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:6.7:d:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:7.0:a:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:6.5:update2b:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:7.0:b:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:6.7:-:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:6.5:update3d:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:6.7:update3g:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:7.0:d:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:6.7:update3a:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:7.0:update1a:*:*:*:*:*:*
→[Product]cpe:2.3:a:vmware:vcenter_server:7.0:update1:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]VMware vCenter Server and Cloud Foundation Server Side Request Forgery (SSRF) Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Server-Side Request Forgery (SSRF)

INVOLVES (1)

←[Signal]kev_added · 2022-03-07

Explore deeper with Ninja Signal's threat intelligence graph

Search in SpektrOpen Signal Desktop
CVE-2021-21973 (CVSS v3.1 5.3) — Ninja Signal Threat Intelligence | Ninja Signal