{"id":"CVE-2020-2555","aliases":["EUVD-2020-22348","GHSA-gm93-pfh3-mrf3"],"status":"published","title":"Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Caching...","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).","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.97116,"percentile":0.99893,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-502"],"published":"2020-01-15T16:34:00Z","modified":"2026-06-17T03:12:20Z","kev":{"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2021-11-03"},{"source":"kev","since":"2021-11-03"}],"exploits":[{"source":"metasploit","id":"exploit/multi/misc/weblogic_deserialize_badattrval","title":"WebLogic Server Deserialization RCE - BadAttributeValueExpException","type":"exploit","platform":"Linux,Unix,Windows","date":"2020-01-15","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/multi/misc/weblogic_deserialize_badattrval"},{"source":"pocgithub","id":"Hu3sky/CVE-2020-2555","title":"Hu3sky/CVE-2020-2555","date":"2020-03-06","url":"https://github.com/Hu3sky/CVE-2020-2555"},{"source":"pocgithub","id":"wsfengfan/CVE-2020-2555","title":"wsfengfan/CVE-2020-2555","date":"2020-03-06","url":"https://github.com/wsfengfan/CVE-2020-2555"},{"source":"pocgithub","id":"Y4er/CVE-2020-2555","title":"Y4er/CVE-2020-2555","date":"2020-03-07","url":"https://github.com/Y4er/CVE-2020-2555"},{"source":"pocgithub","id":"Maskhe/cve-2020-2555","title":"Maskhe/cve-2020-2555","date":"2020-03-10","url":"https://github.com/Maskhe/cve-2020-2555"},{"source":"exploitdb","id":"EDB-48320","title":"Oracle WebLogic Server 12.2.1.4.0 - Remote Code Execution","type":"webapps","platform":"java","date":"2020-04-14","url":"https://www.exploit-db.com/exploits/48320"},{"source":"exploitdb","id":"EDB-48508","title":"WebLogic Server - Deserialization RCE - BadAttributeValueExpException (Metasploit)","type":"remote","platform":"multiple","date":"2020-05-22","verified":true,"url":"https://www.exploit-db.com/exploits/48508"},{"source":"pocgithub","id":"Qynklee/POC_CVE-2020-2555","title":"Qynklee/POC_CVE-2020-2555","date":"2021-11-15","url":"https://github.com/Qynklee/POC_CVE-2020-2555"}],"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":"multiple products"},{"vendor":"oracle","product":"rapid_planning"},{"vendor":"oracle","product":"retail_assortment_planning"},{"vendor":"oracle","product":"utilities_framework"},{"vendor":"oracle","product":"webcenter_portal"},{"vendor":"oracle corporation","product":"utilities framework"},{"vendor":"oracle corporation","product":"webcenter portal"}],"references":[{"url":"https://www.oracle.com/security-alerts/cpujul2020.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.oracle.com/security-alerts/cpujan2020.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/157054/Oracle-Coherence-Fusion-Middleware-Remote-Code-Execution.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://packetstormsecurity.com/files/157207/Oracle-WebLogic-Server-12.2.1.4.0-Remote-Code-Execution.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://packetstormsecurity.com/files/157795/WebLogic-Server-Deserialization-Remote-Code-Execution.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.oracle.com/security-alerts/cpuoct2020.html","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.oracle.com/security-alerts/cpujan2021.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.oracle.com/security-alerts/cpujul2021.html","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-2555","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-2555"},{"url":"https://github.com/advisories/GHSA-gm93-pfh3-mrf3"}],"sources":{"cve":[{"id":"CVE-2020-2555","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).","status":"published","published":"2020-01-15T16:34:00Z","modified":"2025-10-21T23:35:53.314Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:35:51.563355Z"}],"euvd":[{"id":"EUVD-2020-22348","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).","status":"published","published":"2020-01-15T16:34:00Z","modified":"2025-10-21T23:35:53Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"exploited_since":"2021-11-03","updated_at":"2026-11-02T20:31:24.816637Z"}],"ghsa":[{"id":"GHSA-gm93-pfh3-mrf3","title":"Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Caching...","description":"Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Caching,CacheStore,Invocation). Supported versions that are affected are 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).","status":"published","published":"2022-05-24T17:06:27Z","modified":"2025-10-22T00:32:52Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:04:07.112106Z"}],"kev":[{"id":"CVE-2020-2555","title":"Oracle Multiple Products Remote Code Execution Vulnerability","description":"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).","cwes":["CWE-502"],"kev":{"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:17.050017Z"}],"nvd":[{"id":"CVE-2020-2555","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).","status":"published","published":"2020-01-15T17:15:17.347Z","modified":"2026-06-17T03:12:20.697Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:05:52.385274Z"}]}}