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CVE-2020-2883

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are...

Basic Information

CVE State
PUBLISHED
Reserved Date
December 10, 2019
Published Date
April 15, 2020
Last Updated
January 11, 2025
Vendor
Oracle Corporation
Product
WebLogic Server
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).

CVSS Scores

CVSS v3.0

9.8 - CRITICAL

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC Information

Exploitation
active
Automatable
Yes
Technical Impact
total

Exploit Status

Exploited in the Wild
Yes (added 2025-01-07 00:00:00 UTC) Source
Proof of Concept Available
Yes (added 2020-10-14 23:12:39 UTC) Source

References

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

Known Exploited Vulnerability Information

Source Added Date
CISA 2025-01-07 00:00:00 UTC

Scanner Integrations

Scanner URL Date Detected
Metasploit https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/misc/weblogic_deserialize_badattr_extcomp.rb 2025-04-29 11:01:25 UTC

Potential Proof of Concepts

Warning: These PoCs have not been tested and could contain malware. Use at your own risk.

weblogic_deserialize_badattr_extcomp

Type: metasploit • Created: Unknown

Metasploit module for CVE-2020-2883

Al1ex/CVE-2020-2883

Type: github • Created: 2020-11-26 14:10:25 UTC • Stars: 5

CVE-2020-2883

FancyDoesSecurity/CVE-2020-2883

Type: github • Created: 2020-10-14 23:12:39 UTC • Stars: 2

MagicZer0/Weblogic_CVE-2020-2883_POC

Type: github • Created: 2020-05-13 09:56:48 UTC • Stars: 15

Proof of concept for Weblogic CVE-2020-2883

Y4er/CVE-2020-2883

Type: github • Created: 2020-05-10 09:04:43 UTC • Stars: 176

Weblogic coherence.jar RCE