Snapshot of public data from 31 Oct 2026, 12:50:06. This data is not updated until the API is deployed.

Back to the watch

CVE-2021-22017

VMware vCenter Server Improper Access Control

Watch priority : UrgentCVSS 5.3 v3.1Exploited

Why this priority

?

Generic watch priority computed by public, versioned rules. It does not know your assets. See the glossary

  • Présent dans le catalogue CISA KEV (exploitation confirmée)

Description

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

Affected products

VendorProductVersions
n/aVMware vCenter Server, VMware Cloud Foundation
  • VMware vCenter Server(6.7 before 6.7 U3o and 6.5 before 6.5 U3q) and VMware Cloud Foundation 3.x before 3.10.2.2
VMwarevCenter ServerAll versions

Revision history

  1. Revision 3

  2. Revision 2

    Update : Affected versions changed

  3. Revision 1

    New record

Qualification

CVSS severity
?

Technical severity score between 0 and 10, with its version (3.1, 4.0). See the glossary

5.3 MEDIUM CVSS v3.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
KEV catalog
?

CISA catalog of vulnerabilities with confirmed exploitation. Absence from the catalog does not prove absence of exploitation. See the glossary

Listed
Exploitation
Confirmed
EPSS probability
?

Probability, between 0 and 1, that a vulnerability is exploited in the next 30 days, published daily by FIRST. Always dated. See the glossary

Unknown
Confidence
?

Quality of the sources behind the record. It is not a risk score. See the glossary

High

Priority rules, version 1

CISA KEV catalog

Added on
10 January 2022
Federal due date
24 January 2022
Required action
Apply updates per vendor instructions.
Ransomware use
Unknown

Record

Published on
23 September 2021
Weaknesses (CWE)
CWE-23

Sources

References

CVE-2021-22017 VMware vCenter Server Improper Access Control · Avanguard TACTIC