CVE-2021-22017 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is in the KEV database since Jan. 10, 2022.

The EPSS score is 0.77364.

Exploitation active

Automatable yes

Technical Impact partial

Vendors	Products
Vmware	Vcenter Server

Configuration 1 [-]

cpe:2.3:a:vmware:vcenter_server:6.7:-:*:*:*:*:*:*

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22017
https://www.vmware.com/security/advisories/VMSA-2021-0020.html

History

Wed, 22 Oct 2025 00:30:00 +0000

Type	Values Removed	Values Added
References		https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22017

Tue, 21 Oct 2025 20:30:00 +0000

Type	Values Removed	Values Added
References	https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22017

Tue, 21 Oct 2025 19:30:00 +0000

Type	Values Removed	Values Added
References		https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22017

Wed, 29 Jan 2025 18:15:00 +0000

Type	Values Removed	Values Added
Metrics		kev `{'dateAdded': '2022-01-10'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: vmware

Published: 2021-09-23T12:13:01.000Z

Updated: 2025-10-21T23:25:31.570Z

Reserved: 2021-01-04T00:00:00.000Z

Link: CVE-2021-22017

Vulnrichment

Updated: 2024-08-03T18:30:23.942Z

NVD

Status : Analyzed

Published: 2021-09-23T13:15:08.207

Modified: 2025-10-30T20:05:09.117

Link: CVE-2021-22017

Redhat

No data.

OpenCVE Enrichment

No data.

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