CVE-2021-22017

MEDIUMCISA KEV

5.3

Description

Rhttproxy as used in vCenter Server contains a vulnerability due to improper implementation of URI normalization. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to bypass proxy leading to internal endpoints being accessed.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published9/23/2021

Last Modified10/30/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorVMware

ProductvCenter Server

Vulnerability NameVMware vCenter Server Improper Access Control

KEV Date Added2022-01-10

Remediation Due Date2022-01-24

Ransomware UseUnknown

Affected Products

vmware:vcenter_server

References

https://www.vmware.com/security/advisories/VMSA-2021-0020.html(security@vmware.com)

https://www.vmware.com/security/advisories/VMSA-2021-0020.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22017(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.