[ CVE-2020-2883 · Published 15 Apr 2020 ]
Oracle WebLogic Server Unspecified Vulnerability
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2025-01-07
- EPSS: 95% chance of exploitation in the next 30 days (higher than 100% of CVEs)
- Critical severity: CVSS 9.8
[ Description ]Official description
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).
CISA: Oracle WebLogic Server, a product within the Fusion Middleware suite, contains an unspecified vulnerability exploitable by an unauthenticated attacker with network access via IIOP or T3.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 28 Jan 2025): Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- packetstormsecurity.com/files/157950/WebLogic-Server-Deserialization-Remote-Code-Execut…Third Party AdvisoryVDB Entry
- www.oracle.com/security-alerts/cpuapr2020.htmlVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-20-504Third Party AdvisoryVDB Entry
- www.zerodayinitiative.com/advisories/ZDI-20-570Third Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource