CVE-2020-2883
Summary
An easily exploitable vulnerability in Oracle WebLogic Server (component: Core) of Oracle Fusion Middleware in versions 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, and 12.2.1.4.0 allows an unauthenticated attacker with network access via IIOP or T3 to compromise the server, resulting in a full takeover.
Shortened by a language model. Every number, version and name in it is checked against the description below, and it is only shown when it is clearly shorter.
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).
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- 2025-01-07 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- 2025-01-28 Remediation deadlineCISA's due date for federal agencies to fix it
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
- Exploit odds: 94.6% in the next 30 days (EPSS).
- Severity: 9.8 CRITICAL (CVSS).
- Fix: a patch or advisory is linked.
- It meets the bar for Drop everything: critical, and exploited or very likely to be.
Details
- Published
- Last modified
- Added to CISA KEV
- 2025-01-07
- Exploit probability
- 94.6% · EPSS, next 30 days
- Record status
- Analyzed
Affected
- Oracle Weblogic Server 10.3.6.0.0
- Oracle Weblogic Server 12.1.3.0.0
- Oracle Weblogic Server 12.2.1.3.0
- Oracle Weblogic Server 12.2.1.4.0
Attack profile CVSS 3.1 · 9.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2020-2883.md and follow it. Check whether this project is affected by CVE-2020-2883. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/security-alerts/cpuapr2020.html
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/
- 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