Critical 9.8Known exploited (CISA KEV)Published Jan 19, 2022

CVE-2021-35587Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: OpenSSO Agent).

Updated under an hour ago (2026-10-19 07:00 UTC)

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It affects Oracle Corporation Access Manager. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Nov 28, 2022; federal agencies had to remediate by Dec 19, 2022. Treat that date as your deadline.

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Every CVE for Oracle Corporation Access Manager

Exploited in the last 30 days

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: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-306
Known exploited: Added to CISA KEV Nov 28, 2022; federal remediation due Dec 19, 2022Apply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 96.28% (percentile 100)
Assigned by: oracle
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Oracle Corporation Access Manager oracle:access_manager (from the name)	11.1.2.3.0; 12.2.1.3.0; 12.2.1.4.0	CNA record
oracle access_manager oracle:access_manager	11.1.2.3.0; 12.2.1.3.0; 12.2.1.4.0	NVD

References

https://www.oracle.com/security-alerts/cpujan2022.htmlx-refsource-misc, vendor-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35587us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.