CVE-2021-35464
RCE CISA KEV ActiveTitle: Java deserialization in jato.pageSession parameter
RCE
Proof Of Concept
PoC Available for CVE-2021-35464
CWE Category
CWE-502
Published Date
Jul 22, 2021
Modified Date
Nov 05, 2025
Exploit Status
Available
Score
9.8
CVSS v3.1
Exploit Probability (EPSS)
100.00%
Vulnerability Summary
CVE-2021-35464: 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
Impacted Vendors
Reference Links
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
https://bugster.forgerock.org
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
https://bugster.forgerock.org
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35464
CVSS v3.1
Source Entity
[email protected]
Severity
CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
Source Entity
134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity
CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity
[email protected]
Severity
HIGH
10.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR
AV:N/AC:L/Au:N/C:C/I:C/A:C
Associated Attack Patterns (CAPEC)
Total: PatternsNo specific attack patterns mapped.
Likelihood
Severity
Page /
CVE-2021-35464 Exploits & PoCs (Proof Of Concept)
Exploit-DB
https://www.exploit-db.com/exploits/50131
MODIFIED
Vulnerability data or affected products updated.
PUBLISHED
Vulnerability first announced in NVD.
Attack Vector Matrix
Access Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
CVSS Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Stack
No specific products linked.