CVE-2021-22017: VMware vCenter Server Improper Access Control

CVE-2021-22017 · Severity: critical · CVSS 5.3 · Exploited in the wild · Published 2022-01-10

Rhttproxy in VMware vCenter Server contains a vulnerability due to improper URI normalization. A malicious actor with network access to port 443 can bypass the proxy to access internal endpoints.

Technologies: Broadcom vCenter Server. Vendors: Broadcom.

Quick answers

Is CVE-2021-22017 exploited in the wild?
Yes. CVE-2021-22017 is known to be exploited in the wild, first recorded on 10 January 2022. Treat it as urgent.
How severe is CVE-2021-22017?
Critical severity, with a CVSS score of 5.3, published 10 January 2022.
Which products and versions are affected?
VMware vCenter Server 6.7.
Is there a fix for CVE-2021-22017?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2021-22017 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2021-22017?
Check whether you run Broadcom vCenter Server. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • VMware vCenter Server 6.7

Timeline

  • 2021-09-23: disclosed
  • 2022-01-10: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

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