{"schemaVersion":3,"id":"CVE-2021-21975","aliases":[],"status":"published","duplicateOf":null,"title":"VMware Server Side Request Forgery in vRealize Operations Manager API","description":"Server Side Request Forgery in vRealize Operations Manager API (CVE-2021-21975) prior to 8.4 may allow a malicious actor with network access to the vRealize Operations Manager API can perform a Server Side Request Forgery attack to steal administrative credentials.","dates":{"published":"2021-03-31T17:51:51.000Z","modified":"2026-10-01T20:01:35.946Z","reserved":null,"kevAdded":["2022-01-18T00:00:00.000Z"],"kevDue":["2022-02-01T00:00:00.000Z"]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.78001,"percentile":0.99573,"severity":"critical","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":-0.2890000000000059,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.7829},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.77853,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.77853,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.77853,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.77853,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.78001,"percentile":0.99573}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.7829,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.77853,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.77853,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.77853,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.77853,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.78001,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.78001,"percentile":0.99573}]},"kev":{"state":"listed","entries":[{"source":"cisa","sourceLabel":"CISA","dateAdded":"2022-01-18T00:00:00.000Z","dueDate":"2022-02-01T00:00:00.000Z","requiredAction":"Apply updates per vendor instructions.","name":"VMware Server Side Request Forgery in vRealize Operations Manager API","description":"Server Side Request Forgery (SSRF) in vRealize Operations Manager API prior to 8.4 may allow a malicious actor with network access to the vRealize Operations Manager API to perform a SSRF attack to steal administrative credentials.","notes":[{"type":"url","href":"https://nvd.nist.gov/vuln/detail/CVE-2021-21975","label":"nvd.nist.gov/vuln/detail/CVE-2021-21975"}],"vendor":"VMware","product":"vRealize Operations Manager API","ransomware":true,"ransomwareUse":"Known","exploitationType":null}],"listedCount":1,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":true,"entry":{"source":"cisa","sourceLabel":"CISA","dateAdded":"2022-01-18T00:00:00.000Z","dueDate":"2022-02-01T00:00:00.000Z","requiredAction":"Apply updates per vendor instructions.","name":"VMware Server Side Request Forgery in vRealize Operations Manager API","description":"Server Side Request Forgery (SSRF) in vRealize Operations Manager API prior to 8.4 may allow a malicious actor with network access to the vRealize Operations Manager API to perform a SSRF attack to steal administrative credentials.","notes":[{"type":"url","href":"https://nvd.nist.gov/vuln/detail/CVE-2021-21975","label":"nvd.nist.gov/vuln/detail/CVE-2021-21975"}],"vendor":"VMware","product":"vRealize Operations Manager API","ransomware":true,"ransomwareUse":"Known","exploitationType":null}},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"known","sources":["cisa"]},"exploits":[{"id":"REF_3AAC376E340650AA","name":"Exploit Reference (packetstormsecurity.com)","source":"reference","url":"http://packetstormsecurity.com/files/162349/VMware-vRealize-Operations-Manager-Server-Side-Request-Forgery-Code-Execution.html","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"MSF_EXPLOIT_LINUX_HTTP_VMWARE_VROPS_MGR_SSRF_RCE","name":"VMware vRealize Operations (vROps) Manager SSRF RCE","source":"metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploit/linux/http/vmware_vrops_mgr_ssrf_rce.rb","maturity":"weaponized","reliabilityScore":1,"verified":true,"type":"remote","platforms":[],"requiresAuth":false,"exploitdb":null,"metasploit":{"fullname":"exploit/linux/http/vmware_vrops_mgr_ssrf_rce","rank":"600","rankName":"excellent","postAuth":false,"check":true,"stability":["crash-safe"],"sideEffects":["ioc-in-logs","artifacts-on-disk"],"reliability":["repeatable-session"]}}],"exploitCount":2,"weaknesses":[{"id":"CWE-918","name":"Server-Side Request Forgery (SSRF)","description":"The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/918.html"}],"affected":[{"vendor":"vmware","product":"cloud_foundation","name":"cloud foundation","label":"cloud_foundation","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"3.0","noFixRecorded":false,"fixedIn":null},{"text":"3.0.1","noFixRecorded":false,"fixedIn":null},{"text":"3.0.1.1","noFixRecorded":false,"fixedIn":null},{"text":"3.5","noFixRecorded":false,"fixedIn":null},{"text":"3.5.1","noFixRecorded":false,"fixedIn":null},{"text":"3.7","noFixRecorded":false,"fixedIn":null},{"text":"3.7.1","noFixRecorded":false,"fixedIn":null},{"text":"3.7.2","noFixRecorded":false,"fixedIn":null},{"text":"3.8","noFixRecorded":false,"fixedIn":null},{"text":"3.8.1","noFixRecorded":false,"fixedIn":null},{"text":"3.9","noFixRecorded":false,"fixedIn":null},{"text":"3.9.1","noFixRecorded":false,"fixedIn":null},{"text":"3.10","noFixRecorded":false,"fixedIn":null},{"text":"4.0","noFixRecorded":false,"fixedIn":null},{"text":"4.0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"3.0 | 3.0.1 | 3.0.1.1 | 3.5 | 3.5.1 | 3.7 | 3.7.1 | 3.7.2 | 3.8 | 3.8.1 | 3.9 | 3.9.1 | 3.10 | 4.0 | 4.0.1","eol":null,"hubHref":"/vendor/vmware/cloud_foundation"},{"vendor":"vmware","product":"vrealize_operations_manager","name":"vrealize operations manager","label":"vrealize_operations_manager","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"7.0.0","noFixRecorded":false,"fixedIn":null},{"text":"7.5.0","noFixRecorded":false,"fixedIn":null},{"text":"8.0.0","noFixRecorded":false,"fixedIn":null},{"text":"8.0.1","noFixRecorded":false,"fixedIn":null},{"text":"8.1.0","noFixRecorded":false,"fixedIn":null},{"text":"8.1.1","noFixRecorded":false,"fixedIn":null},{"text":"8.2.0","noFixRecorded":false,"fixedIn":null},{"text":"8.3.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"7.0.0 | 7.5.0 | 8.0.0 | 8.0.1 | 8.1.0 | 8.1.1 | 8.2.0 | 8.3.0","eol":null,"hubHref":"/vendor/vmware/vrealize_operations_manager"},{"vendor":"vmware","product":"vrealize_suite_lifecycle_manager","name":"vrealize suite lifecycle manager","label":"vrealize_suite_lifecycle_manager","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"8.0","noFixRecorded":false,"fixedIn":null},{"text":"8.0.1","noFixRecorded":false,"fixedIn":null},{"text":"8.1","noFixRecorded":false,"fixedIn":null},{"text":"8.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"8.0 | 8.0.1 | 8.1 | 8.2","eol":null,"hubHref":"/vendor/vmware/vrealize_suite_lifecycle_manager"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.vmware.com/security/advisories/VMSA-2021-0004.html","label":"www.vmware.com/security/advisories/VMSA-2021-0004.html","hostname":"www.vmware.com","tags":["X Refsource MISC","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/162349/VMware-vRealize-Operations-Manager-Server-Side-Request-Forgery-Code-Execution.html","label":"packetstormsecurity.com/files/…","hostname":"packetstormsecurity.com","tags":["X Refsource MISC","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21975","label":"www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21975","hostname":"www.cisa.gov","tags":["Government Resource","US Government Resource"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-03-31T17:51:51.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"kev-added","date":"2022-01-18T00:00:00.000Z","label":"Added to CISA KEV","detail":"VMware Server Side Request Forgery in vRealize Operations Manager API","source":"cisa"},{"kind":"kev-due","date":"2022-02-01T00:00:00.000Z","label":"CISA remediation due","detail":"Apply updates per vendor instructions.","source":"cisa"},{"kind":"modified","date":"2026-10-01T20:01:35.946Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":90,"level":"critical","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T17:24:19.526Z","stale":false,"partial":false}}