{"id":"CVE-2021-35464","published":"2021-07-22T18:15:23Z","modified":"2026-06-17T03:57:31Z","title":"ForgeRock Access Management (AM) Core Server Remote Code Execution Vulnerability","vendor":"ForgeRock","product":"Access Management (AM)","tier":"core","eol":null,"description":{"text":"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","provenance":"source","from":"NVD"},"summary":{"text":"The ForgeRock Access Management (AM) Core Server, in versions before 7.0, contains a Java deserialization flaw in the jato.pageSession parameter on multiple pages, arising from its use of the Sun ONE Application Framework (JATO) on Java 8 or earlier. An unauthenticated remote attacker can achieve remote code execution by sending a single crafted /ccversion/* request to the server, with no user interaction or special configuration required.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T06:57:11Z"},"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.99999,"percentile":0.99995,"date":"2026-10-30","provenance":"source"},"kev":{"dateAdded":"2021-11-03","dueDate":"2021-11-17","ransomware":true,"requiredAction":"Apply updates per vendor instructions.","notes":"https://nvd.nist.gov/vuln/detail/CVE-2021-35464","provenance":"source"},"vulncheckKev":{"dateAdded":"2021-11-03","exploitedFirstSeen":"2021-11-03","ransomware":true,"evidence":[{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2021-11-03"},{"url":"https://cisa.gov/news-events/alerts/2022/04/27/2021-top-routinely-exploited-vulnerabilities","date":"2022-04-28"},{"url":"https://cisa.gov/news-events/cybersecurity-advisories/aa22-117a","date":"2022-04-28"},{"url":"https://www.crowdstrike.com/blog/analysis-of-intrusion-campaign-targeting-telecom-and-bpo-companies/","date":"2022-12-05"},{"url":"https://www.crowdstrike.com/blog/scattered-spider-attempts-to-avoid-detection-with-bring-your-own-vulnerable-driver-tactic/","date":"2023-01-10"},{"url":"https://www.cisa.gov/sites/default/files/2023-08/CSRB_Lapsus%24_508c.pdf","date":"2023-08-10"},{"url":"https://www.trellix.com/en-us/about/newsroom/stories/research/scattered-spider-the-modus-operandi.html","date":"2023-08-17"},{"url":"https://thehackernews.com/2023/09/cyber-group-gold-melody-selling.html","date":"2023-09-21"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2023-11-30&host_type=src&vulnerability=cve-2021-35464","date":"2023-11-30"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2023-12-03&host_type=src&vulnerability=cve-2021-35464","date":"2023-12-03"}],"evidenceTotal":642,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-502","name":"Deserialization of Untrusted Data"}],"references":[{"url":"http://packetstormsecurity.com/files/163486/ForgeRock-OpenAM-Jato-Java-Deserialization.html","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://packetstormsecurity.com/files/163525/ForgeRock-Access-Manager-OpenAM-14.6.3-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://backstage.forgerock.com/knowledge/kb/article/a47894244","tags":["Exploit","Permissions Required","Vendor Advisory"]},{"url":"https://bugster.forgerock.org","tags":["Broken Link"]},{"url":"http://packetstormsecurity.com/files/163486/ForgeRock-OpenAM-Jato-Java-Deserialization.html","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://packetstormsecurity.com/files/163525/ForgeRock-Access-Manager-OpenAM-14.6.3-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://backstage.forgerock.com/knowledge/kb/article/a47894244","tags":["Exploit","Permissions Required","Vendor Advisory"]},{"url":"https://bugster.forgerock.org","tags":["Broken Link"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35464","tags":["US Government Resource"]}],"techniques":[{"id":"T1190","name":"Exploit Public-Facing Application","tactics":["initial-access"],"provenance":"source","basis":"ctid-kev","bases":["ctid-kev"],"basisDetail":"CTID Mappings Explorer KEV 07/28/2025 (ATT&CK 16.1); capability: Code Execution","mappingType":"exploitation_technique","evidence":[],"comment":"CVE-2021-35464, a pre-auth remote code execution (RCE) vulnerability in ForgeRock Access Manager identity and access management software. ForgeRock front-ends web applications and remote access solutions in many enterprises.","confidence":"medium","confidenceNote":"CTID KEV capability group \"code execution\" is generic"},{"id":"T1059","name":"Command and Scripting Interpreter","tactics":["execution"],"provenance":"source","basis":"ctid-kev","bases":["ctid-kev"],"basisDetail":"CTID Mappings Explorer KEV 07/28/2025 (ATT&CK 16.1); capability: Code Execution","mappingType":"primary_impact","evidence":[],"comment":"CVE-2021-35464, a pre-auth remote code execution (RCE) vulnerability in ForgeRock Access Manager identity and access management software. ForgeRock front-ends web applications and remote access solutions in many enterprises.","confidence":"medium","confidenceNote":"CTID KEV capability group \"code execution\" is generic"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2021-22106","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-22106","exploited":true,"exploitedSince":"2021-11-03","provenance":"source"},"exploits":[{"id":50131,"url":"https://www.exploit-db.com/exploits/50131","title":"ForgeRock Access Manager 14.6.3 - Remote Code Execution (RCE) (Unauthenticated)","type":"webapps","platform":"java","date":"2021-07-16","verified":false,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":1,"earliest":"2021-07-16"},"pocGithub":{"count":1,"skipped":1,"earliest":"2021-07-01","earliestUrl":"https://github.com/Y4er/openam-CVE-2021-35464","repos":[{"name":"Y4er/openam-CVE-2021-35464","url":"https://github.com/Y4er/openam-CVE-2021-35464","stars":88,"created":"2021-07-01"}]},"metasploit":[{"name":"ForgeRock / OpenAM Jato Java Deserialization","module":"exploit/multi/http/cve_2021_35464_forgerock_openam","type":"exploit","disclosureDate":"2021-06-29","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/cve_2021_35464_forgerock_openam.rb"}],"nuclei":[{"id":"CVE-2021-35464","name":"ForgeRock OpenAM <7.0 - Remote Code Execution","severity":"critical","path":"http/cves/2021/CVE-2021-35464.yaml","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-35464.yaml"}],"first":{"date":"2021-06-29","source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/cve_2021_35464_forgerock_openam.rb"},"provenance":"source"},"exploitRefs":["http://packetstormsecurity.com/files/163486/ForgeRock-OpenAM-Jato-Java-Deserialization.html","http://packetstormsecurity.com/files/163525/ForgeRock-Access-Manager-OpenAM-14.6.3-Remote-Code-Execution.html","https://backstage.forgerock.com/knowledge/kb/article/a47894244"],"flow":[{"stage":"exploitation","techniques":["T1190"],"provenance":"source"},{"stage":"primary","techniques":["T1059"],"provenance":"source"}],"timeline":[{"date":"2021-06-29","kind":"exploit-public","label":"First public exploit: Metasploit; later: PoC-in-GitHub 2021-07-01, Exploit-DB 2021-07-16","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/cve_2021_35464_forgerock_openam.rb","provenance":"source"},{"date":"2021-07-22","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-35464","provenance":"source"},{"date":"2021-11-03","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","provenance":"source"},{"date":"2021-11-03","kind":"kev","label":"Added to CISA KEV (known ransomware use)","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2021-11-03","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-22106","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":"Metasploit","daysToKev":104},"priority":{"score":79.9,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 1823 days ago"},{"name":"Known ransomware use","points":10.0,"detail":"CISA KEV and VulnCheck KEV: Known"},{"name":"EPSS percentile","points":20.0,"detail":"percentile 1.0000"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"3 NVD references tagged Exploit; 1 Exploit-DB entry; 1 PoC-in-GitHub repo; 1 Metasploit module; 1 nuclei template"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}