CVE-2020-2883
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via IIOP, T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
- Score
- CVSS 3.1 9.8 Critical
- Status
- Analyzed - secalert_us@oracle.com
- Published
- 2020-04-15
- Last modified
- 2026-01-12
- Known exploited (CISA KEV)
- since 2025-01-07, action due 2025-01-28: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected products
References
- http://packetstormsecurity.com/files/157950/WebLogic-Server-Deserialization-Remote-Code-Execution.html
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.zerodayinitiative.com/advisories/ZDI-20-504/
- https://www.zerodayinitiative.com/advisories/ZDI-20-570/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-2883