{"containers":{"cna":{"affected":[{"product":"VMware vCenter Server","vendor":"n/a","versions":[{"status":"affected","version":"7.x before 7.0 U1c"},{"status":"affected","version":"6.7 before 6.7 U3l"},{"status":"affected","version":"6.5 before 6.5 U3n"}]},{"product":"VMware Cloud Foundation","vendor":"n/a","versions":[{"status":"affected","version":"4.x before 4.2"},{"status":"affected","version":"3.x before 3.10.1.2"}]}],"descriptions":[{"lang":"en","value":"The vSphere Client (HTML5) contains an SSRF (Server Side Request Forgery) vulnerability due to improper validation of URLs in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue by sending a POST request to vCenter Server plugin leading to information disclosure. This affects: VMware vCenter Server (7.x before 7.0 U1c, 6.7 before 6.7 U3l and 6.5 before 6.5 U3n) and VMware Cloud Foundation (4.x before 4.2 and 3.x before 3.10.1.2)."}],"problemTypes":[{"descriptions":[{"description":"SSRF vulnerability","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2021-02-24T16:42:02.000Z","orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","shortName":"vmware"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://www.vmware.com/security/advisories/VMSA-2021-0002.html"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security@vmware.com","ID":"CVE-2021-21973","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"VMware vCenter Server","version":{"version_data":[{"version_value":"7.x before 7.0 U1c"},{"version_value":"6.7 before 6.7 U3l"},{"version_value":"6.5 before 6.5 U3n"}]}},{"product_name":"VMware Cloud Foundation","version":{"version_data":[{"version_value":"4.x before 4.2"},{"version_value":"3.x before 3.10.1.2"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"The vSphere Client (HTML5) contains an SSRF (Server Side Request Forgery) vulnerability due to improper validation of URLs in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue by sending a POST request to vCenter Server plugin leading to information disclosure. This affects: VMware vCenter Server (7.x before 7.0 U1c, 6.7 before 6.7 U3l and 6.5 before 6.5 U3n) and VMware Cloud Foundation (4.x before 4.2 and 3.x before 3.10.1.2)."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"SSRF vulnerability"}]}]},"references":{"reference_data":[{"name":"https://www.vmware.com/security/advisories/VMSA-2021-0002.html","refsource":"CONFIRM","url":"https://www.vmware.com/security/advisories/VMSA-2021-0002.html"}]}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T18:30:23.450Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://www.vmware.com/security/advisories/VMSA-2021-0002.html"}]},{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"id":"CVE-2021-21973","role":"CISA Coordinator","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-02-16T16:16:46.429372Z"}}},{"other":{"type":"kev","content":{"dateAdded":"2022-03-07","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21973"}}}],"references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21973","tags":["government-resource"]}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-918","description":"CWE-918 Server-Side Request Forgery (SSRF)"}]}],"timeline":[{"time":"2022-03-07T00:00:00.000Z","lang":"en","value":"CVE-2021-21973 added to CISA KEV"}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-21T23:25:54.167Z"}}]},"cveMetadata":{"assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","assignerShortName":"vmware","cveId":"CVE-2021-21973","datePublished":"2021-02-24T16:42:02.000Z","dateReserved":"2021-01-04T00:00:00.000Z","dateUpdated":"2025-10-21T23:25:54.167Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}