{"schemaVersion":3,"id":"CVE-2021-35464","aliases":[],"status":"published","duplicateOf":null,"title":"ForgeRock Access Management (AM) Core Server Remote Code Execution Vulnerability","description":"ForgeRock AM server before 7.0 has a Java deserialization vulnerability in the jato.pageSession parameter on multiple pages. The exploitation does not require authentication, and remote code execution can be triggered by sending a single crafted /ccversion/* request to the server. The vulnerability exists due to the usage of Sun ONE Application Framework (JATO) found in versions of Java 8 or earlier","dates":{"published":"2021-07-22T17:10:18.000Z","modified":"2025-10-21T23:25:39.887Z","reserved":null,"kevAdded":["2021-11-03T00:00:00.000Z"],"kevDue":["2021-11-17T00:00:00.000Z"]},"cvss":{"headline":{"score":10,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","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":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":"2.0","versionLabel":"v2.0","source":"NVD","score":10,"severity":"high","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.99999,"percentile":0.99994,"severity":"critical","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.99999},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.99999,"percentile":0.99994}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.99999,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.99999,"percentile":0.99994}]},"kev":{"state":"listed","entries":[{"source":"cisa","sourceLabel":"CISA","dateAdded":"2021-11-03T00:00:00.000Z","dueDate":"2021-11-17T00:00:00.000Z","requiredAction":"Apply updates per vendor instructions.","name":"ForgeRock Access Management (AM) Core Server Remote Code Execution Vulnerability","description":"ForgeRock Access Management (AM) Core Server allows an attacker who sends a specially crafted HTTP request to one of three endpoints (/ccversion/Version, /ccversion/Masthead, or /ccversion/ButtonFrame) to execute code in the context of the current user (unless ForgeRock AM is running as root user, which the vendor does not recommend).","notes":[{"type":"url","href":"https://nvd.nist.gov/vuln/detail/CVE-2021-35464","label":"nvd.nist.gov/vuln/detail/CVE-2021-35464"}],"vendor":"ForgeRock","product":"Access Management (AM)","ransomware":true,"ransomwareUse":"Known","exploitationType":null}],"listedCount":1,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":true,"entry":{"source":"cisa","sourceLabel":"CISA","dateAdded":"2021-11-03T00:00:00.000Z","dueDate":"2021-11-17T00:00:00.000Z","requiredAction":"Apply updates per vendor instructions.","name":"ForgeRock Access Management (AM) Core Server Remote Code Execution Vulnerability","description":"ForgeRock Access Management (AM) Core Server allows an attacker who sends a specially crafted HTTP request to one of three endpoints (/ccversion/Version, /ccversion/Masthead, or /ccversion/ButtonFrame) to execute code in the context of the current user (unless ForgeRock AM is running as root user, which the vendor does not recommend).","notes":[{"type":"url","href":"https://nvd.nist.gov/vuln/detail/CVE-2021-35464","label":"nvd.nist.gov/vuln/detail/CVE-2021-35464"}],"vendor":"ForgeRock","product":"Access Management (AM)","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_0C970FC8963001D3","name":"Exploit Reference (packetstormsecurity.com)","source":"reference","url":"http://packetstormsecurity.com/files/163486/ForgeRock-OpenAM-Jato-Java-Deserialization.html","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"REF_A09885C64DB8E522","name":"Exploit Reference (packetstormsecurity.com)","source":"reference","url":"http://packetstormsecurity.com/files/163525/ForgeRock-Access-Manager-OpenAM-14.6.3-Remote-Code-Execution.html","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"REF_63AF70F936193989","name":"Exploit Reference (backstage.forgerock.com)","source":"reference","url":"https://backstage.forgerock.com/knowledge/kb/article/a47894244","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"50131","name":"ForgeRock Access Manager 14.6.3 - Remote Code Execution (RCE) (Unauthenticated)","source":"exploit-database","url":"https://www.exploit-db.com/exploits/50131","maturity":"poc","reliabilityScore":0.5,"verified":false,"type":null,"platforms":["java"],"requiresAuth":null,"exploitdb":{"verified":false,"type":"webapps","platform":"java","file":"exploits/java/webapps/50131.py","codes":["CVE-2021-35464"]},"metasploit":null},{"id":"MSF_EXPLOIT_MULTI_HTTP_CVE_2021_35464_FORGEROCK_OPENAM","name":"ForgeRock / OpenAM Jato Java Deserialization","source":"metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploit/multi/http/cve_2021_35464_forgerock_openam.rb","maturity":"weaponized","reliabilityScore":1,"verified":true,"type":"remote","platforms":[],"requiresAuth":false,"exploitdb":null,"metasploit":{"fullname":"exploit/multi/http/cve_2021_35464_forgerock_openam","rank":"600","rankName":"excellent","postAuth":false,"check":true,"stability":["crash-safe"],"sideEffects":["ioc-in-logs","artifacts-on-disk"],"reliability":["repeatable-session"]}}],"exploitCount":5,"weaknesses":[{"id":"CWE-502","name":"Deserialization of Untrusted Data","description":"The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/502.html"}],"affected":[{"vendor":"forgerock","product":"access_management","name":"access management","label":"access_management","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 6.5.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.5.4","eol":null,"hubHref":"/vendor/forgerock/access_management"},{"vendor":"forgerock","product":"openam","name":"openam","label":"openam","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 9.0.0, < 14.6.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 9.0.0, < 14.6.3","eol":null,"hubHref":"/vendor/forgerock/openam"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://bugster.forgerock.org","label":"bugster.forgerock.org","hostname":"bugster.forgerock.org","tags":["X Refsource MISC","Broken Link"]},{"url":"http://packetstormsecurity.com/files/163486/ForgeRock-OpenAM-Jato-Java-Deserialization.html","label":"packetstormsecurity.com/files/163486/ForgeRock-OpenAM-Jato-Java-Deserialization.html","hostname":"packetstormsecurity.com","tags":["X Refsource MISC","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://packetstormsecurity.com/files/163525/ForgeRock-Access-Manager-OpenAM-14.6.3-Remote-Code-Execution.html","label":"packetstormsecurity.com/files/…","hostname":"packetstormsecurity.com","tags":["X Refsource MISC","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://backstage.forgerock.com/knowledge/kb/article/a47894244","label":"backstage.forgerock.com/knowledge/kb/article/a47894244","hostname":"backstage.forgerock.com","tags":["X Refsource CONFIRM","Exploit","Permissions Required","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35464","label":"www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35464","hostname":"www.cisa.gov","tags":["Government Resource","US Government Resource"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-07-22T17:10:18.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"kev-added","date":"2021-11-03T00:00:00.000Z","label":"Added to CISA KEV","detail":"ForgeRock Access Management (AM) Core Server Remote Code Execution Vulnerability","source":"cisa"},{"kind":"kev-due","date":"2021-11-17T00:00:00.000Z","label":"CISA remediation due","detail":"Apply updates per vendor instructions.","source":"cisa"},{"kind":"modified","date":"2025-10-21T23:25:39.887Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":100,"level":"critical","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T21:22:52.323Z","stale":false,"partial":false}}