CVE-2020-2555

Name: CVE-2020-2555
Creator: NVD / NIST
Published: 2020-01-15T17:15:17.347+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10Actively ExploitedEPSS 97.12%

Last modified Jun 17, 2026

CVE-2020-2555 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. CISA has confirmed active exploitation in the wild. EPSS estimates a 97.12% chance of exploitation in the next 30 days.

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).

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

97.12%

99.9th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by May 3, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Oracle	Access Manager	11.1.2.3.0
Oracle	Coherence	3.7.1.0
Oracle	Coherence	12.1.3.0.0
Oracle	Coherence	12.2.1.3.0
Oracle	Coherence	12.2.1.4.0
Oracle	Commerce Platform	>= 11.3.0, <= 11.3.2
Oracle	Commerce Platform	11.0.0
Oracle	Commerce Platform	11.1.0
Oracle	Commerce Platform	11.2.0
Oracle	Communications Diameter Signaling Router	>= 8.0.0, <= 8.2.2
Oracle	Healthcare Data Repository	7.0.1
Oracle	Rapid Planning	12.1
Oracle	Rapid Planning	12.2
Oracle	Retail Assortment Planning	15.0
Oracle	Retail Assortment Planning	16.0
Oracle	Utilities Framework	>= 4.3.0.1.0, <= 4.3.0.6.0
Oracle	Utilities Framework	4.2.0.2.0
Oracle	Utilities Framework	4.2.0.3.0
Oracle	Utilities Framework	4.4.0.0.0
Oracle	Utilities Framework	4.4.0.2.0
Oracle	Webcenter Portal	12.2.1.3.0
Oracle	Webcenter Portal	12.2.1.4.0

References

http://packetstormsecurity.com/files/157054/Oracle-Coherence-Fusion-Middleware-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/157207/Oracle-WebLogic-Server-12.2.1.4.0-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/157795/WebLogic-Server-Deserialization-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://www.oracle.com/security-alerts/cpujan2020.htmlVendor Advisory
https://www.oracle.com/security-alerts/cpujan2021.htmlVendor Advisory
https://www.oracle.com/security-alerts/cpujul2020.htmlVendor Advisory
https://www.oracle.com/security-alerts/cpujul2021.htmlPatch, Vendor Advisory
https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Vendor Advisory
http://packetstormsecurity.com/files/157054/Oracle-Coherence-Fusion-Middleware-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/157207/Oracle-WebLogic-Server-12.2.1.4.0-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/157795/WebLogic-Server-Deserialization-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://www.oracle.com/security-alerts/cpujan2020.htmlVendor Advisory
https://www.oracle.com/security-alerts/cpujan2021.htmlVendor Advisory
https://www.oracle.com/security-alerts/cpujul2020.htmlVendor Advisory
https://www.oracle.com/security-alerts/cpujul2021.htmlPatch, Vendor Advisory
https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-2555US Government Resource

Timeline

Published: Jan 15, 2020
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2020-2555?

How severe is CVE-2020-2555?

CVE-2020-2555 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 97.12% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2020-2555?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-2555?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST