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    CVE-2020-2555

    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).

    Published:Jan 15, 2020
    Last Modified:Oct 27, 2025
    EPS:Jan 15, 2020
    EPSS Score:0.93011
    CVSS Score:9.8

    CISA Notification

    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).

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    May 3, 2022
    1592 days ago
    Alert Date
    Nov 3, 2021
    1773 days ago

    Affected Products

    Vendor
    Oracle
    Product
    Access Manager
    Vendor
    Oracle
    Product
    Coherence
    Vendor
    Oracle
    Product
    Commerce Platform
    Vendor
    Oracle
    Product
    Communications Diameter Signaling Router
    Vendor
    Oracle
    Product
    Healthcare Data Repository
    Vendor
    Oracle
    Product
    Rapid Planning
    Vendor
    Oracle
    Product
    Retail Assortment Planning
    Vendor
    Oracle
    Product
    Utilities Framework
    Vendor
    Oracle
    Product
    Webcenter Portal

    Exploits

    http://packetstormsecurity.com/files/157054/Oracle-Coherence-Fusion-Middleware-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/157207/Oracle-WebLogic-Server-12.2.1.4.0-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/157795/WebLogic-Server-Deserialization-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/157054/Oracle-Coherence-Fusion-Middleware-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/157207/Oracle-WebLogic-Server-12.2.1.4.0-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/157795/WebLogic-Server-Deserialization-Remote-Code-Execution.htmlhttps://www.exploit-db.com/exploits/48320https://github.com/Hu3sky/CVE-2020-2555https://github.com/Maskhe/cve-2020-2555https://github.com/Qynklee/POC_CVE-2020-2555https://github.com/wsfengfan/CVE-2020-2555https://github.com/Y4er/CVE-2020-2555https://www.exploit-db.com/exploits/48508

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

    Related CVEs

    CVE-2026-71124 (CVSS 4.3) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authorization Engin…
    CVE-2026-70905 (CVSS 9.8) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Agent infrastructur…
    CVE-2026-60726 (CVSS 8.8) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi…
    CVE-2026-61067 (CVSS 8) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi…
    CVE-2026-61065 (CVSS 9.8) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi…
    CVE-2026-60559 (CVSS 8.6) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi…
    CVE-2026-60416 (CVSS 8.1) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi…
    CVE-2026-60358 (CVSS 10) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi…
    CVE-2026-60356 (CVSS 8.6) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi…
    CVE-2026-60355 (CVSS 9.8) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi…

    References

    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/cpujan2020.html
    https://www.oracle.com/security-alerts/cpujan2021.html
    https://www.oracle.com/security-alerts/cpujul2020.html
    https://www.oracle.com/security-alerts/cpujul2021.html
    https://www.oracle.com/security-alerts/cpuoct2020.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/cpujan2020.html
    https://www.oracle.com/security-alerts/cpujan2021.html
    https://www.oracle.com/security-alerts/cpujul2020.html
    https://www.oracle.com/security-alerts/cpujul2021.html
    https://www.oracle.com/security-alerts/cpuoct2020.html
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-2555

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High