IRONSMITHINTEL
CRITICALCVSS9.8
|
Actively Exploited
|CISA KEV|CVE-2020-2555|Auth: none — unauthenticated|Reboot: required|Manual only

Oracle Multiple Products Remote Code Execution Vulnerability

Multiple Oracle products contain a remote code execution vulnerability that allows an unauthenticated attacker with network access via T3 or HTTP to takeover the affected system. Impacted Oracle products: Oracle Coherence in Fusion Middleware, Oracle Utilities Framework, Oracle Retail Assortment Planning, Oracle Commerce, Oracle Communications Diameter Signaling Router (DSR).

Published Jan 15, 2020 · Updated May 16, 2026
Why patchRisk explained in plain English
Worst-case scenarioIf unpatched

A remote attacker, without authentication, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2022-05-03 under CISA BOD 22-01.

How the attack worksNo clicks needed

This is a Deserialization of Untrusted Data (CWE-502) vulnerability in Oracle Multiple Products. 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). Exploitation requires remote network access, low attack complexity, no authentication required, and no user interaction required.

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Phishing link

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Malicious file

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Server compromised

Am I affected?Quick check

Probably yes if any of these apply:

●IT Security
●Running access manager: 11.1.2.3.0; coherence: 3.7.1.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0; commerce platform: 11.3.0 ≤ v ≤ 11.3.2, 11.0.0, 11.1.0, 11.2.0; communications diameter signaling router: 8.0.0 ≤ v ≤ 8.2.2; healthcare data repository: 7.0.1; rapid planning: 12.1, 12.2; retail assortment planning: 15.0, 16.0; utilities framework: 4.3.0.1.0 ≤ v ≤ 4.3.0.6.0, 4.2.0.2.0, 4.2.0.3.0, 4.4.0.0.0, 4.4.0.2.0; webcenter portal: 12.2.1.3.0, 12.2.1.4.0
Real-world incidentsWhat we've seen

Active exploitation documented in the wild. Threat-research write-up: http://packetstormsecurity.com/files/157054/Oracle-Coherence-Fusion-Middleware-Remote-Code-Execution.html

How to patch

Manual remediation steps

Apply the Vendor Patch

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.

CISA required action: Apply updates per vendor instructions.

References

    1
    Vendor advisory: https://www.oracle.com/security-alerts/cpujan2020.html
    1
    NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2020-2555
    1
    CISA KEV: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-2555
PowerShell automationComing soon

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References

↗ CVE-2020-2555↗ NVD↗ Vendor Advisory