CVE-2020-3952n/a VMware vCenter Server vCenter Server
NVD
Vulnerability Summary
Under certain conditions, vmdir that ships with VMware vCenter Server, as part of an embedded or external Platform Services Controller (PSC), does not correctly implement access controls.
Affected & Patched Versions
- n/a VMware vCenter Server vCenter Server 6.7 (embedded or external PSC) prior to 6.7u3f is affected by CVE-2020-3952 if it was upgraded from a previous release line such as 6.0 or 6.5. Clean installations of vCenter Server 6.7 (embedded or external PSC) are not affected.
No patched version published yet
Until a fix ships, reduce exposure:
- Restrict access to the affected service or interface to trusted networks.
- Disable the affected feature if you do not need it.
- Watch the vendor advisory for a firmware or software update.
What to do
Patch now. CISA lists this flaw as exploited in the wild and set a federal remediation deadline of May 3, 2022.
- Check whether you run n/a VMware vCenter Server vCenter Server and which version.
- No patched version is listed yet. Limit access to the affected service to trusted networks, and disable the feature if you can.
- Subscribe to the vendor advisory so you learn when a fix ships.
- Review logs and exposed services for signs of earlier compromise.
CISA required action: Apply updates per vendor instructions.
CISA KEV Status
Listed in Known Exploited Vulnerabilities
Added: Nov 3, 2021
Remediation due: May 3, 2022 (deadline passed)
Remediation due: May 3, 2022 (deadline passed)
Timeline
- Apr 10, 2020Published
- Nov 3, 2021Added to CISA KEV catalog
- May 3, 2022KEV remediation due date
- Oct 21, 2025Record last modified
Score, severity and exploitation changes are tracked from the day Watchtower started logging them.
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Data last checked: Nov 15, 2026 12:06 UTC