CVE-2020-3952VulnerabilityPublished 11/03/2021Updated 10/24/2026
CVE-2020-3952: VMware vCenter Server Information Disclosure Vulnerability
Affects VMware vCenter ServerSource CISA KEV
Severity
HighNo CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 11/03/2021
- KEV deadline
- 05/03/2022
- EPSS
- 90.4% chance of exploitation in 30 days – higher than 99% of CVEs
What to do
CISA required action
Apply updates per vendor instructions.
Description
VMware vCenter Server has an information disclosure vulnerability in its VMware Directory Service (vmdir) component related to improper access control in the Platform Services Controller (PSC). An attacker with network access to port 389 can exploit this flaw to extract sensitive information. This vulnerability has been exploited in the wild and is considered high severity.