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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).","epss":{"date":"2026-11-12","epss":0.97116,"percentile":0.99894},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2020-2555","cwes":["CWE-502"],"dateAdded":"2021-11-03","dueDate":"2022-05-03","forensicTriage":"No","knownRansomwareCampaignUse":"Unknown","notes":"https://nvd.nist.gov/vuln/detail/CVE-2020-2555","product":"Multiple Products","requiredAction":"Apply updates per vendor instructions.","shortDescription":"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).","vendorProject":"Oracle","vulnerabilityName":"Oracle Multiple Products Remote Code Execution Vulnerability"},"kev_checked":1794522003,"products":"Oracle Corporation WebCenter Portal, Oracle Corporation Utilities Framework","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","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-2555"],"score":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","provider":"oracle","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.0"},"solutions":"","state":"PUBLISHED","title":"Oracle Multiple Products Remote Code Execution Vulnerability","updated_at":1794500401,"workarounds":""},"sources":[]}