CVE-2020-2555

9.8 CRITICAL CISA KEV - Actively Exploited
Published: January 15, 2020 Modified: October 27, 2025
View on NVD

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).

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://packetstormsecurity.com/files/157054/Oracle-Coherence-Fusion-Middleware-Remote-Code-Execution.html
Source: secalert_us@oracle.com
Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/157207/Oracle-WebLogic-Server-12.2.1.4.0-Remote-Code-Execution.html
Source: secalert_us@oracle.com
Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/157795/WebLogic-Server-Deserialization-Remote-Code-Execution.html
Source: secalert_us@oracle.com
Exploit Third Party Advisory VDB Entry
https://www.oracle.com/security-alerts/cpujan2020.html
Source: secalert_us@oracle.com
Vendor Advisory
https://www.oracle.com/security-alerts/cpujan2021.html
Source: secalert_us@oracle.com
Vendor Advisory
https://www.oracle.com/security-alerts/cpujul2020.html
Source: secalert_us@oracle.com
Vendor Advisory
https://www.oracle.com/security-alerts/cpujul2021.html
Source: secalert_us@oracle.com
Patch Vendor Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html
Source: secalert_us@oracle.com
Patch Vendor Advisory
http://packetstormsecurity.com/files/157054/Oracle-Coherence-Fusion-Middleware-Remote-Code-Execution.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/157207/Oracle-WebLogic-Server-12.2.1.4.0-Remote-Code-Execution.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/157795/WebLogic-Server-Deserialization-Remote-Code-Execution.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory VDB Entry
https://www.oracle.com/security-alerts/cpujan2020.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.oracle.com/security-alerts/cpujan2021.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.oracle.com/security-alerts/cpujul2020.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.oracle.com/security-alerts/cpujul2021.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-2555
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

17 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
93.1%
100th percentile
Exploitation Status
Actively Exploited
Remediation due: 2022-05-03

Weaknesses (CWE)

CWE-502 CWE-502

Affected Vendors

oracle

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