CVE-2021-35587

CVE-2021-35587 is a critical-severity (CVSS 9.8) vulnerability in Oracle Fusion Middleware. CISA added it to the Known Exploited Vulnerabilities catalog on November 28, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by December 19, 2022. CISA does not currently list it as used in ransomware campaigns. Oracle has 46 vulnerabilities in the KEV catalog, 13 of them linked to ransomware.

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: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

• https://www.oracle.com/security-alerts/cpujan2022.html
• https://www.oracle.com/security-alerts/cpujan2022.html
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35587