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CVE-2021-35587

Published: Jan 19, 2022Updated: Oct 27, 2025 Sources: CVE List NVD BDUNVD-CWE-Other
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
96.3%
Top 0.1%
CISA KEV
Active Exploitation
Since Nov 28, 2022
Exploits
1 Known
Remediation
Patch Available
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify

Description

Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: OpenSSO Agent). Supported versions that are affected are 11.1.2.3.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Access Manager. Successful attacks of this vulnerability can result in takeover of Oracle Access Manager. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

NVD-CWE-OtherCWE-306

Affected Products

access manageroracle
On-prem
Databases / relational
Access ManagerOracle Corporation
On-prem
Databases / relational
Oracle Access ManagerOracle Corp.
On-prem
Databases / relational
oraclecommercialUSDatabasesaka oracle corp.
oracle corporationcommercialUSDatabasesaka oracle
oracle corp.commercialUSDatabasesaka oracle

Attack Graph

Products CVE Techniques Tactics

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Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Nov 28, 2022
Remediation due:Dec 19, 2022

Required action: Apply updates per vendor instructions.

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://www.oracle.com/security-alerts/cpujan2022.html
oracle.com
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35587
cisa.gov
https://www.cybersecurity-help.cz/vdb/SB2022011839
cybersecurity-help.cz
and 2 more references View all →

Timeline

Published
Jan 19, 2022
Added to CISA KEV
Nov 28, 2022
Last Updated
Oct 27, 2025

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