CVE-2020-3952

mediumpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.904 · 100 %ileexploit · functionalEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 7 exploits · functional

Likely / severe?

90.4% (100th) EPSS

CVSS 6.8 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2021-11-03remediate by 2022-05-03

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-24

VMware vCenter Server Information Disclosure Vulnerability

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.8–9.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USprimaryCWE-863US

exploits (7)

Public proof-of-concept and weaponised exploit code.

auxiliary/admin/ldap/vmware_vcenter_vmdir_auth_bypassVMware vCenter Server vmdir Authentication Bypassfunctional · metasploit
auxiliary/gather/vmware_vcenter_vmdir_ldapVMware vCenter Server vmdir Information Disclosurefunctional · metasploit
EDB-48535VMware vCenter Server 6.7 - Authentication BypassPoC · exploit_db
Fa1c0n35/vmware_vcenter_cve_2020_3952Exploit for CVE-2020-3952 in vCenter 6.7 https://www.guardicore.com/2020/04/pwning-vmware-vcenter-cve-2020-3952/PoC · poc_in_github
chronoloper/CVE-2020-3952Vuln CheckPoC · poc_in_github
gelim/CVE-2020-3952VMWare vmdir missing access control exploit checkerPoC · poc_in_github

affected products (3)

Products and version ranges known to be affected.

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.enisa_euvdEU
Broadcom Inc. VMware vCenter Server≤ 6.7fstec_bduRU
vmware vcenter server= 6.7nvdUScpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2020-04-10modified 2026-06-17

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references (15)

External citations — patches, advisories, analysis.

scry

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