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CVE-2021-22017

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

Published
Last modified
published
Listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub

Summary

The affected software is Rhttproxy as used in VMware vCenter Server, which fails to properly normalize URIs. An attacker with network access to port 443 on the vCenter Server could exploit this flaw to bypass the proxy and reach internal endpoints.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original 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.

Timeline

  1. CVE published
  2. Added to CISA KEV

    CISA has evidence of exploitation in the wild

  3. CISA remediation deadline

    Due date for US federal agencies to patch

  4. Record last updated
  5. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • n/a VMware 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

References 1

vmware.com