Oracle · WebLogic Server
CVE-2020-14644
Oracle WebLogic Server Remote Code Execution Vulnerability
What it is
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 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).
CISA: Oracle WebLogic Server, a product within the Fusion Middleware suite, contains a deserialization vulnerability. Unauthenticated attackers with network access via T3 or IIOP can exploit this vulnerability to achieve remote code execution.
What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Deadline for US federal agencies: October 9, 2024
- Added to the CISA list
- September 18, 2024
- Published
- July 15, 2020
- Severity
- Critical 9.8 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 95% in the top 0.1% of all known vulnerabilities
- More details
- NVD · CVE.org · CISA
All references (1)
More exploited flaws from Oracle
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Jun 1, 2026 | Unspecified | WebLogic Server | High 7.5 | 74% |
| Jan 7, 2025 | Unspecified | WebLogic Server | Critical 9.8 | 95% |
| Jun 3, 2024 | OS Command Injection | WebLogic Server | High 7.4 | 96% |
| May 1, 2023 | Unspecified | WebLogic Server | High 7.5 | 99.9% |
| Sep 8, 2022 | Unspecified | WebLogic Server | Critical 9.8 | >99.9% |
| Feb 10, 2022 | Corporation WebLogic Server Remote Code Execution | WebLogic Server | High 7.5 | >99.9% |
| Jan 10, 2022 | WebLogic Server, Injection | WebLogic Server | High 7.5 | >99.9% |
| Nov 3, 2021 | Deserialization of Untrusted Data | WebLogic Server | Critical 9.8 | 95% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.