Back to KEVs

CVE-2020-2555

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Caching,CacheStore,Invocation). Supported versions that are...

Basic Information

CVE State
PUBLISHED
Reserved Date
December 10, 2019
Published Date
January 15, 2020
Last Updated
October 21, 2025
Vendor
Oracle Corporation
Product
WebCenter Portal, Utilities Framework
Description
Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Caching,CacheStore,Invocation). Supported versions that are affected are 3.7.1.0, 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 T3 to compromise Oracle Coherence. Successful attacks of this vulnerability can result in takeover of Oracle Coherence. 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).
Tags
cisa metasploit

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 (2021-11-03 00:00:00 UTC) Source

References

https://www.oracle.com/security-alerts/cpujul2020.html https://www.oracle.com/security-alerts/cpujan2020.html http://packetstormsecurity.com/files/157054/Oracle-Coherence-Fusion-Middleware-Remote-Code-Execution.html http://packetstormsecurity.com/files/157207/Oracle-WebLogic-Server-12.2.1.4.0-Remote-Code-Execution.html http://packetstormsecurity.com/files/157795/WebLogic-Server-Deserialization-Remote-Code-Execution.html https://www.oracle.com/security-alerts/cpuoct2020.html https://www.oracle.com/security-alerts/cpujan2021.html https://www.oracle.com/security-alerts/cpujul2021.html

Known Exploited Vulnerability Information

Source Added Date
CISA 2021-11-03 00:00:00 UTC
CISA 2021-11-03 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_badattrval.rb 2025-04-28 15:02:27 UTC

Potential Proof of Concepts

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

weblogic_deserialize_badattrval

Type: metasploit • Created: Unknown

Metasploit module for CVE-2020-2555

Y4er/CVE-2020-2555

Type: github • Created: 2020-03-07 18:58:09 UTC • Stars: 176

Weblogic com.tangosol.util.extractor.ReflectionExtractor RCE

wsfengfan/CVE-2020-2555

Type: github • Created: 2020-03-06 16:02:59 UTC • Stars: 47

CVE-2020-2555 Python POC

Hu3sky/CVE-2020-2555

Type: github • Created: 2020-03-06 15:20:17 UTC • Stars: 3

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Added to KEVIntel

  • Added to KEVIntel

  • Detected by Metasploit