9.8Critical KEV

CVE-2020-3952VMware vCenter Server Information Disclosure Vulnerability

VMware vCenter Server Published: 2020-04-10 16:55 (6 years ago)

Known exploited — VMware vCenter Server Information Disclosure Vulnerability

CISA confirmed this vulnerability is used in real attacks on 03.11.2021. Remediation deadline for US federal agencies: 03.05.2022.

Required action: Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2020-3952

Description

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.

Weakness (CWE): CWE-306

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
—	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.
vmware	vcenter server	6.7

References and patches

https://www.vmware.com/security/advisories/VMSA-2020-0006 Broken LinkVendor Advisory
http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html ExploitThird Party AdvisoryVDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3952 US Government Resource

CPE matches (NVD) (1)

cpe:2.3:a:vmware:vcenter_server:6.7:-:*:*:*:*:*:*

CVSS score

9.8Critical

Source: CISA-ADP · CVSS 3.1

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

All scores (4)

CISA-ADP	CVSS 3.1	9.8Critical
nvd	CVSS 3.1	9.8Critical
134c704f-9b21-4f2e-91b3-4a467353bcc0	CVSS 3.1	9.8Critical
nvd	CVSS 2.0	6.8Medium

EPSS (chance of exploitation in 30 days)

90.38%

higher than 100% of all CVEs

CISA assessment (SSVC)

Exploitation: active
Automatable: yes
Technical impact: total

Timeline

ID reserved2019-12-30
Published2020-04-10 16:55
Reached IP-DB2026-10-24 23:35
Added to KEV2021-11-03
Last updated2026-06-17 06:19

Assigned by (CNA): vmware
NVD status: Analyzed

View at source: CVE.org · NVD

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