CVE-2021-35464
ForgeRock Access Management (AM) Core Server Remote Code Execution Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 17 November 2021). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 100.00% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · first 16 July 2021
- CISA KEV
- Listed 3 November 2021 · due 17 November 2021 · used in ransomware campaigns
- Weakness
- CWE-502
- Affected
- forgerock/access management · forgerock/openam
- Source
- cve@mitre.org
EPSS 100.0% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2021-35464
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/163486/ForgeRock-OpenAM-Jato-Java-Deserialization.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/163525/ForgeRock-Access-Manager-OpenAM-14.6.3-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://backstage.forgerock.com/knowledge/kb/article/a47894244Exploit, Permissions Required, Vendor Advisory
- https://bugster.forgerock.orgBroken Link
- http://packetstormsecurity.com/files/163486/ForgeRock-OpenAM-Jato-Java-Deserialization.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/163525/ForgeRock-Access-Manager-OpenAM-14.6.3-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://backstage.forgerock.com/knowledge/kb/article/a47894244Exploit, Permissions Required, Vendor Advisory
- https://bugster.forgerock.orgBroken Link
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35464US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.