CVE-2020-3952 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is in the KEV database since Nov. 3, 2021.

The EPSS score is 0.94355.

Exploitation active

Automatable yes

Technical Impact total

Vendors	Products
Vmware Subscribe	Vcenter Server Subscribe

Configuration 1 [-]

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

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3952
https://www.vmware.com/security/advisories/VMSA-2020-0006

History

Wed, 22 Oct 2025 09:15:00 +0900

Type	Values Removed	Values Added
References		https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3952

Wed, 22 Oct 2025 05:30:00 +0900

Type	Values Removed	Values Added
References	https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3952

Wed, 22 Oct 2025 04:30:00 +0900

Type	Values Removed	Values Added
References		https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3952

Thu, 30 Jan 2025 03:15:00 +0900

Type	Values Removed	Values Added
Metrics		kev `{'dateAdded': '2021-11-03'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: vmware

Published: 2020-04-10T13:55:36.000Z

Updated: 2025-10-21T23:35:46.943Z

Reserved: 2019-12-30T00:00:00.000Z

Link: CVE-2020-3952

Vulnrichment

Updated: 2024-08-04T07:52:20.524Z

NVD

Status : Analyzed

Published: 2020-04-10T14:15:12.000

Modified: 2025-10-30T20:07:28.207

Link: CVE-2020-3952

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-306

{"containers": {"cna": {"affected": [{"product": "VMware vCenter Server", "vendor": "n/a", "versions": [{"status": "affected", "version": "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."}]}], "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"description": "Critical Information Disclosure", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-06-02T15:06:13.000Z", "orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "shortName": "vmware"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.vmware.com/security/advisories/VMSA-2020-0006"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@vmware.com", "ID": "CVE-2020-3952", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "VMware vCenter Server", "version": {"version_data": [{"version_value": "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."}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Critical Information Disclosure"}]}]}, "references": {"reference_data": [{"name": "https://www.vmware.com/security/advisories/VMSA-2020-0006", "refsource": "MISC", "url": "https://www.vmware.com/security/advisories/VMSA-2020-0006"}, {"name": "http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T07:52:20.524Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.vmware.com/security/advisories/VMSA-2020-0006"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html"}]}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2020-3952", "role": "CISA Coordinator", "options": [{"Exploitation": "active"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-01-29T17:59:42.575658Z"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2021-11-03", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3952"}}}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3952", "tags": ["government-resource"]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-306", "description": "CWE-306 Missing Authentication for Critical Function"}]}], "timeline": [{"time": "2021-11-03T00:00:00+00:00", "lang": "en", "value": "CVE-2020-3952 added to CISA KEV"}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-21T23:35:46.943Z"}}]}, "cveMetadata": {"assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "assignerShortName": "vmware", "cveId": "CVE-2020-3952", "datePublished": "2020-04-10T13:55:36.000Z", "dateReserved": "2019-12-30T00:00:00.000Z", "dateUpdated": "2025-10-21T23:35:46.943Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"containers": {"cna": {"affected": [{"product": "VMware vCenter Server", "vendor": "n/a", "versions": [{"status": "affected", "version": "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."}]}], "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"description": "Critical Information Disclosure", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-06-02T15:06:13.000Z", "orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "shortName": "vmware"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.vmware.com/security/advisories/VMSA-2020-0006"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@vmware.com", "ID": "CVE-2020-3952", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "VMware vCenter Server", "version": {"version_data": [{"version_value": "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."}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Critical Information Disclosure"}]}]}, "references": {"reference_data": [{"name": "https://www.vmware.com/security/advisories/VMSA-2020-0006", "refsource": "MISC", "url": "https://www.vmware.com/security/advisories/VMSA-2020-0006"}, {"name": "http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T07:52:20.524Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.vmware.com/security/advisories/VMSA-2020-0006"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html"}]}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2020-3952", "role": "CISA Coordinator", "options": [{"Exploitation": "active"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-01-29T17:59:42.575658Z"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2021-11-03", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3952"}}}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3952", "tags": ["government-resource"]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-306", "description": "CWE-306 Missing Authentication for Critical Function"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-01-29T17:59:26.084Z"}, "timeline": [{"time": "2021-11-03T00:00:00+00:00", "lang": "en", "value": "CVE-2020-3952 added to CISA KEV"}], "title": "CISA ADP Vulnrichment"}]}, "cveMetadata": {"assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "assignerShortName": "vmware", "cveId": "CVE-2020-3952", "datePublished": "2020-04-10T13:55:36.000Z", "dateReserved": "2019-12-30T00:00:00.000Z", "dateUpdated": "2025-10-21T19:54:34.723Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"cisaActionDue": "2022-05-03", "cisaExploitAdd": "2021-11-03", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "VMware vCenter Server Information Disclosure Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:vmware:vcenter_server:6.7:-:*:*:*:*:*:*", "matchCriteriaId": "E456F84C-A86E-4EA9-9A3E-BEEA662136E6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Bajo determinadas condiciones, vmdir que se entrega con VMware vCenter Server, como parte de un Platform Services Controller (PSC) incorporado o externo, no implementa correctamente los controles de acceso."}], "id": "CVE-2020-3952", "lastModified": "2025-10-30T20:07:28.207", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2020-04-10T14:15:12.000", "references": [{"source": "security@vmware.com", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html"}, {"source": "security@vmware.com", "tags": ["Broken Link", "Vendor Advisory"], "url": "https://www.vmware.com/security/advisories/VMSA-2020-0006"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Vendor Advisory"], "url": "https://www.vmware.com/security/advisories/VMSA-2020-0006"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3952"}], "sourceIdentifier": "security@vmware.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-306"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}