All vulnerabilities
CVE-2021-22017

VMware vCenter Server Improper Access Control

VMware vCenter ServerContainers & cloud
CVSS
5.3Medium
ExploitationExploited in the wildAdded to KEV 10 Jan 2022CISA KEV
Exploit odds (EPSS)49.2%Chance of exploitation activity in the next 30 days, higher than 98% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline24 Jan 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 23 Sep 2021, 12:13 UTCPublishedCVE List
  2. 10 Jan 2022Added to CISA KEVCISA KEV

Public exploit code and templates 1

  • Scanner templatevCenter Server - Improper Access ControlNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Rhttproxy as used in vCenter Server contains a vulnerability due to improper implementation of URI normalization.

Text from CVE List

Affected versions 1

  • VMware vCenter Server, VMware Cloud Foundationaffected: VMware vCenter Server(6.7 before 6.7 U3o and 6.5 before 6.5 U3q) and VMware Cloud Foundation 3.x before 3.10.2.2CVE List

References 3