CVE-2020-3952
Actively exploited. CVE-2020-3952 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2020-3952 is indexed in Metasploit, Exploit-DB, GitHub PoC and Nuclei. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
VMware vCenter Server contains an information disclosure vulnerability in the VMware Directory Service (vmdir) when the Platform Services Controller (PSC) does not correctly implement access controls. Successful exploitation allows an attacker with network access to port 389 to extract sensitive information.
CSIRTS triage
- What
- VMware vCenter Server contains an information disclosure vulnerability in the VMware Directory Service.
- Who is affected
- Deployments of VMware vCenter Server with network access to port 389.
- Urgency
- Remediation is urgent due to active exploitation and critical severity.
- Action
- Apply the latest security updates for vCenter Server.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2020-3952
Get an email if CVE-2020-3952 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2020-3952 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- MetasploitA Metasploit Framework module targets this CVE — weaponized, point-and-click exploitation.look it up ↗
- Exploit-DBA public exploit is published in the Exploit-DB archive.look it up ↗
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
- NucleiA nuclei-templates detection/PoC template exists for this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2020-3952: VMware vCenter Server Information Disclosure Vulnerabilitycisa-kev · 2021-11-03
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2020-3952)