⚠ Actively exploited
Added to CISA KEV on 2022-01-10. Federal agencies required to patch by 2022-01-24. Required action: Apply updates per vendor instructions..

CVE-2021-22017 — Relative Path Traversal in Vmware Vcenter Server

CWE-23 — Relative Path Traversal7 documents7 sources
Severity
5.3MEDIUMNVD
EPSS
74.8%
top 1.13%
CISA KEV
KEV
Added 2022-01-10
Due 2022-01-24
Exploit
Exploited in wild
Active exploitation observed
Affected products
1
Vmware Vcenter Server
Timeline
PublishedSep 23
KEV addedJan 10
KEV dueJan 24
Latest updateMay 24
CISA Required Action: Apply updates per vendor instructions.

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages1 packages

Patches

Patch: www.vmware.com ↗Patch: www.vmware.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-w46j-w72r-9x98: Rhttproxy as used in vCenter Server contains a vulnerability due to improper implementation of URI normalization↗2022-05-24
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CVEList
CVE-2021-22017: Rhttproxy as used in vCenter Server contains a vulnerability due to improper implementation of URI normalization↗2021-09-23
▶
VulnCheck
VMware vCenter Server Improper Access Control↗2021
▶

💥Exploits & PoCs

1
Nuclei
vCenter Server - Improper Access Control
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📋Vendor Advisories

2
CISA
VMware vCenter Server Improper Access Control↗2022-01-10
▶
VMware
VMware vCenter Server updates address multiple security vulnerabilities↗2021-09-21
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