CVE-2021-35587
Oracle Fusion Middleware Unspecified Vulnerability
- Published
- Jan 19, 2022
- Updated
- Oct 21, 2025
- Assigning CNA
- oracle
- Evidence observed
- Nov 28, 2022
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.9%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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).
Sources
2Proof-of-concept exploit for CVE-2021-35587, an unauthenticated remote code execution vulnerability in Oracle Access Manager, allowing full takeover of the affected system.
Post-incident report analyzing the Oracle Cloud SSO/LDAP supply chain attack (CVE-2021-35587). Details the exploitation of legacy server infrastructure, impact across 140,000+ cloud tenants, root-cause findings, and phased mitigation strategies.
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