What’s Vulnerable › Vulnerabilities
CVE-2020-14859
- Severity: critical (CVSS 10.0 v2.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 3.8% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-10-21 · updated 2026-06-17
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, 12.2.1.4.0 and 14.1.1.0.0. 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 3.1 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).
Summary
CVE-2020-14859 is a critical vulnerability in the Core component of Oracle WebLogic Server that can be exploited without authentication over network protocols IIOP and T3, allowing an attacker to take over the server. It affects supported versions 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0, with a CVSS 3.1 base score of 9.8. It is not listed in CISA KEV and CISA SSVC reports no known exploitation, though EPSS estimates a 3.8% probability of exploitation in 30 days. Apply the Oracle Critical Patch Update that addresses this CVE and restrict network access to IIOP/T3 where possible.
CVE-2020-14859 ثغرة حرجة في مكوّن Core ضمن Oracle WebLogic Server يمكن استغلالها دون مصادقة عبر بروتوكولي IIOP وT3، ما قد يسمح للمهاجم بالسيطرة الكاملة على الخادم. تؤثر في الإصدارات المدعومة 10.3.6.0.0 و12.1.3.0.0 و12.2.1.3.0 و12.2.1.4.0 و14.1.1.0.0، بدرجة CVSS 3.1 أساسية 9.8. لا ترد الثغرة في CISA KEV ولا تشير CISA SSVC إلى استغلال معروف، بينما تقدّر EPSS احتمال الاستغلال خلال 30 يوماً بنسبة 3.8%. طبّق تحديث Oracle Critical Patch Update الذي يعالج هذه الثغرة، وقيّد الوصول الشبكي إلى IIOP/T3 حيثما أمكن.
Affected products
- Oracle WebLogic Server: 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0
References
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://www.zerodayinitiative.com/advisories/ZDI-20-1275/
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://www.zerodayinitiative.com/advisories/ZDI-20-1275/
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