Is CVE-2025-21535 actively exploited?

Yes. CVE-2025-21535 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2025-21535 be exploited remotely?

The attack vector of CVE-2025-21535 has not been classified yet.

What is the CVSS score of CVE-2025-21535?

CVE-2025-21535 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2025-21535

UNKNOWNCISA KEVIN THE WILD

CVE-2025-21535

Published: April 11, 2026

Official Description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. 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).

NVD Source

Technical Analysis

CVE-2025-21535 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2025-21535 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.