{"id":"CVE-2020-14644","kind":"vulnerability","aliases":["CVE-2020-14644"],"related":[],"title":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core)","description":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via IIOP, T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).","summary":"Oracle WebLogic Server has a deserialization flaw in its T3 and IIOP protocol handling. An unauthenticated attacker with network access can execute code on the server.","severity":"critical","cvss":9.8,"epss":null,"exploited":true,"exploited_at":"2024-09-18T00:00:00+00:00","products":[{"name":"Oracle WebLogic Server","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"oracle weblogic server","fixed":[],"affected":"= 12.2.1.3.0","ecosystem":"vendor"},{"name":"oracle weblogic server","fixed":[],"affected":"= 12.2.1.4.0","ecosystem":"vendor"},{"name":"oracle weblogic server","fixed":[],"affected":"= 14.1.1.0.0","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","java","oracle","runtime","self-hosted","weblogic"],"not_affected_if":["default-config"],"how_to_check":null,"fix":"Apply the Oracle mitigation or patch per vendor instructions, or discontinue use of the product if mitigations are unavailable (per CISA required action).","status":"open","published_at":"2020-07-15T18:15:29+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T20:56:35+00:00","updated_at":"2026-10-23T22:29:05+00:00","category":"runtime","confidence":0.8,"triage":{"at":"2026-10-23T20:56:35Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Oracle mitigation or patch per vendor instructions, or discontinue use of the product if mitigations are unavailable (per CISA required action).","reach":"network","impact":"high","summary":"Oracle WebLogic Server has a deserialization flaw in its T3 and IIOP protocol handling. An unauthenticated attacker with network access can execute code on the server.","category":"runtime","who_cares":["weblogic","oracle","java","self-hosted"],"confidence":0.8,"needs_auth":"no","worst_case":"Unauthenticated attacker runs code on the WebLogic server","analyst_note":"Find the Oracle security alert and the affected/fixed version list for CVE-2020-14644 and the T3/IIOP mitigation steps; sources give no versions or checks.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["default-config"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000458,"input_tokens":2850,"output_tokens":346,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-14644':16A,19A '-2020':15A,18A '/av':133C '12.2.1.3.0':85C '12.2.1.4.0':86C '14.1.1.0.0':88C '3.1':120C,132C '9.8':123C 'access':59B,97C 'affect':83C 'allow':92C 'attack':56B,94C,107C 'avail':127C 'base':121C 'code':62B 'compon':12A,77C 'compromis':102C 'confidenti':124C 'core':13A,78C 'cve':14A,17A 'cvss':119C,129C,131C 'deseri':45B 'easili':89C 'execut':61B 'exploit':32B,90C 'flaw':46B 'fusion':10A,75C 'h':141C 'h/a':140C 'h/i':139C 'handl':53B 'host':38B 'iiop':51B,99C 'impact':128C 'integr':125C 'java':33B 'l/pr':135C 'middlewar':11A,76C 'n/ac':134C 'n/s':137C 'n/ui':136C 'network':58B,96C 'oracl':4A,9A,34B,40B,69C,74C,103C,116C 'oracle':20A,23A,26A,29A 'product':7A,72C 'protocol':52B 'result':112C 'runtim':35B 'score':122C 'self':37B 'self-host':36B 'server':6A,22A,25A,28A,31A,42B,65B,71C,105C,118C 'success':106C 'support':79C 't3':49B,100C 'takeov':114C 'u/c':138C 'unauthent':55B,93C 'vector':130C 'version':80C 'via':98C 'vulner':1A,66C,91C,110C 'weblog':5A,39B,41B,70C,104C,117C 'weblogic':21A,24A,27A,30A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2020-07-15T18:15:29+00:00","kev":{"dateAdded":"2024-09-18","dueDate":"2024-10-09","requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2020-14644","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2020-14644","severity":null,"published_at":"2024-09-18T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T10:39:05+00:00","note":null},{"source":"nvd","external_id":"CVE-2020-14644","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-14644","severity":null,"published_at":"2020-07-15T18:15:29+00:00","modified_at":"2026-06-17T02:55:13+00:00","first_seen_at":"2026-10-23T22:29:05+00:00","fetched_at":"2026-10-23T22:29:05+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}