CVE-2021-35464

forgerock access management, forgerock openam

Published 22 Jul 2021 · updated 17 Jun 2026 · Analyzed

9.8 Critical · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, with a remediation deadline of 17 Nov 2021 for US federal agencies. It has been used in ransomware campaigns.

Required action: Apply updates per vendor instructions.

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

References

packetstormsecurity.com/files/163486/ForgeRock-OpenAM-Jato-Java-Deserialization.html · Exploit, Third Party Advisory, VDB Entry
packetstormsecurity.com/files/163525/ForgeRock-Access-Manager-OpenAM-14.6.3-Remote-Code-Execution.html · Exploit, Third Party Advisory, VDB Entry
backstage.forgerock.com/knowledge/kb/article/a47894244 · Exploit, Permissions Required, Vendor Advisory
bugster.forgerock.org/ · Broken Link
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35464 · US Government Resource