Critical 9.8Known exploited (CISA KEV)Published Jul 22, 2021

CVE-2021-35464ForgeRock AM server before 7.0 has a Java deserialization vulnerability in the jato.pageSession parameter on multiple pages.

Updated under an hour ago (Oct 28, 2026, 12:30 AM ET)

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It affects forgerock access_management and 1 other product. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Nov 3, 2021; federal agencies had to remediate by Nov 17, 2021, and it is known to be used in ransomware. Treat that date as your deadline.

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Every CVE for forgerock access_management

Exploited in the last 30 days

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

CVSS: 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-502
Known exploited: Added to CISA KEV Nov 3, 2021; federal remediation due Nov 17, 2021; known ransomware useApply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 100.00% (percentile 100)
Assigned by: mitre
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

forgerock access_management forgerock:access_management	before 6.5.4	NVD
forgerock openam forgerock:openam	from 9.0.0 before 14.6.3	NVD

References

References

https://bugster.forgerock.org	x-refsource-misc, broken-link
http://packetstormsecurity.com/files/163486/ForgeRock-OpenAM-Jato-Java-Deserialization.html	x-refsource-misc, exploit, third-party-advisory, vdb-entry
http://packetstormsecurity.com/files/163525/ForgeRock-Access-Manager-OpenAM-14.6.3-Remote-Code-Execution.html	x-refsource-misc, exploit, third-party-advisory, vdb-entry
https://backstage.forgerock.com/knowledge/kb/article/a47894244	x-refsource-confirm, exploit, permissions-required, vendor-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35464	us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.