CVE-2021-22017

Summary

CVECVE-2021-22017
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-09-23 13:15:00 UTC
Updated2021-09-27 14:15:00 UTC
DescriptionRhttproxy 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.

Risk And Classification

EPSS: 0.794620000 probability, percentile 0.990750000 (date 2026-04-02)

CISA KEV: Listed on 2022-01-10; due 2022-01-24; ransomware use Unknown

Problem Types: NVD-CWE-noinfo

CISA Known Exploited Vulnerability

VendorVMware
ProductvCenter Server
NameVMware vCenter Server Improper Access Control
Required ActionApply updates per vendor instructions.
Noteshttps://nvd.nist.gov/vuln/detail/CVE-2021-22017

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Vmware Vcenter Server 6.7 - All All

References

ReferenceSourceLinkTags
VMSA-2021-0020 MISC www.vmware.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Legacy QID Mappings

  • 216266 VMware vCenter Server 6.7 Update 6.7 U3o (VMSA-2021-0020)
  • 216267 VMware vCenter Server 6.5 Update 6.5 U3q (VMSA-2021-0020)
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