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CVE-2021-35464 (GCVE-0-2021-35464)

Vulnerability from cvelistv5 – Published: 2021-07-22 17:10 – Updated: 2025-10-21 23:25
VLAI CISA Shadowserver Previdian
Summary
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
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-04 19:41 UTC
CWE
  • n/a
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: bdc3677f-d4ed-4ab1-894d-6cdc88fcc090

Vulnerability ID: CVE-2021-35464

Status: Confirmed

Status Updated: 2021-11-03 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2021-11-03
Asserted: 2021-11-03
Scope
Notes: KEV entry: ForgeRock Access Management (AM) Core Server Remote Code Execution Vulnerability | Affected: ForgeRock / Access Management (AM) | Description: ForgeRock Access Management (AM) Core Server allows an attacker who sends a specially crafted HTTP request to one of three endpoints (/ccversion/Version, /ccversion/Masthead, or /ccversion/ButtonFrame) to execute code in the context of the current user (unless ForgeRock AM is running as root user, which the vendor does not recommend). | Required action: Apply updates per vendor instructions. | Due date: 2021-11-17 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2021-35464
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-502
Feed CISA Known Exploited Vulnerabilities Catalog
Product Access Management (AM)
Due Date 2021-11-17
Date Added 2021-11-03
Vendorproject ForgeRock
Vulnerabilityname ForgeRock Access Management (AM) Core Server Remote Code Execution Vulnerability
Knownransomwarecampaignuse Known
References
Created: 2026-02-02 13:26 UTC | Updated: 2026-02-06 07:53 UTC
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 763cac32-b347-4519-9576-9f802ece33fd

Vulnerability ID: CVE-2021-35464

Status: Confirmed

Status Updated: 2026-09-07 00:00 UTC

Exploited: Yes

Characteristics
Severity: 98.0
Timestamps
First Seen: 2023-10-14
Asserted: 2023-10-14
Last Seen: 2026-09-07
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: ForgeRock / ForgeRock Access Manager | Class: security-management-platform | Severity: Critical (CVSS 9.8) | IoT: no | In CISA KEV: yes | Honeypot connections on 2026-09-07: 2
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot no
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class security-management-platform
7D Avg 1
Vendor ForgeRock
30D Avg 0
90D Avg 1
Product ForgeRock Access Manager
Cisa Kev yes
Connections 2
Observation Date 2026-09-07
Vulnerability Class CVSS
Vulnerability Score 9.8
Vulnerability Severity Critical
References
Created: 2026-07-01 05:54 UTC | Updated: 2026-09-09 01:00 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 9e42fda4-4d0d-4639-884d-354211213216

Vulnerability ID: CVE-2021-35464

Status: Confirmed

Status Updated: 2021-11-03 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2021-11-03
Asserted: 2021-11-03
Scope
Notes: KEVIntel entry: ForgeRock AM server before 7.0 has a Java deserialization vulnerability in the jato.pageSession parameter on multiple pages. The exploitation does... | Affected: ForgeRock / AM server | CVSS: 9.8 (CRITICAL) | EPSS: 0.99999 | Used in malware: yes | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Confirmed Compromise

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title ForgeRock AM server before 7.0 has a Java deserialization vulnerability in the jato.pageSession parameter on multiple pages. The exploitation does...
Vendor ForgeRock
Product AM server
Added Date 2021-11-03T00:00:00.000Z
Cvss Score 9.8
Epss Score 0.99999
Cvss Severity CRITICAL
Epss Percentile 0.99993
Used In Malware yes
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 11:13 UTC | Updated: 2026-06-23 11:13 UTC
Show details on NVD website
To clipboard 

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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.