{"id":"CVE-2018-2628","kind":"vulnerability","aliases":["CVE-2018-2628"],"related":[],"title":"Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: WLS Core Components)","description":"Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: WLS Core Components). Supported versions that are affected are 10.3.6.0, 12.1.3.0, 12.2.1.2 and 12.2.1.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. 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).","summary":"Oracle WebLogic Server has an unspecified flaw reachable over the T3 protocol. An unauthenticated attacker with network access to T3 can compromise the server.","severity":"critical","cvss":9.8,"epss":0.99958,"exploited":true,"exploited_at":"2022-09-08T00:00:00+00:00","products":[{"name":"Oracle WebLogic Server","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"oracle weblogic server","fixed":[],"affected":"= 10.3.6.0.0","ecosystem":"vendor"},{"name":"oracle weblogic server","fixed":[],"affected":"= 12.1.3.0.0","ecosystem":"vendor"},{"name":"oracle weblogic server","fixed":[],"affected":"= 12.2.1.2.0","ecosystem":"vendor"},{"name":"oracle weblogic server","fixed":[],"affected":"= 12.2.1.3","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","java","oracle","runtime","self-hosted","weblogic"],"not_affected_if":["t3-port-not-exposed"],"how_to_check":null,"fix":"Apply the Oracle security updates for WebLogic Server per vendor instructions; specific patched versions are not stated in the sources.","status":"open","published_at":"2018-04-19T02:29:00+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:10:41+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"runtime","confidence":0.7,"triage":{"at":"2026-10-23T21:10:41Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Oracle security updates for WebLogic Server per vendor instructions; specific patched versions are not stated in the sources.","reach":"network","impact":"high","summary":"Oracle WebLogic Server has an unspecified flaw reachable over the T3 protocol. An unauthenticated attacker with network access to T3 can compromise the server.","category":"runtime","who_cares":["weblogic","oracle","java","self-hosted"],"confidence":0.7,"needs_auth":"no","worst_case":"Unauthenticated attacker compromises the WebLogic server over T3.","analyst_note":"Find the Oracle July 2018 CPU advisory and the list of affected/fixed WebLogic versions, and any detection guidance for T3 traffic, at https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2018-2628.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["t3-port-not-exposed"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000478,"input_tokens":2834,"output_tokens":390,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2018':17A,20A '-2628':18A,21A '/av':138C '10.3.6.0':90C '12.1.3.0':91C '12.2.1.2':92C '12.2.1.3':94C '3.0':125C,137C '9.8':128C 'access':62B,103C 'affect':88C 'allow':98C 'attack':59B,100C,112C 'avail':132C 'base':126C 'compon':7A,15A,75C,83C 'compromis':66B,107C 'confidenti':129C 'core':14A,82C 'cve':16A,19A 'cvss':124C,134C,136C 'easili':95C 'exploit':37B,96C 'flaw':51B 'fusion':10A,78C 'h':146C 'h/a':145C 'h/i':144C 'host':43B 'impact':133C 'integr':130C 'java':38B 'l/pr':140C 'middlewar':11A,79C 'n/ac':139C 'n/s':142C 'n/ui':141C 'network':61B,102C 'oracl':4A,9A,39B,45B,72C,77C,108C,121C 'oracle':22A,25A,28A,31A,34A 'protocol':56B 'reachabl':52B 'result':117C 'runtim':40B 'score':127C 'self':42B 'self-host':41B 'server':6A,24A,27A,30A,33A,36A,47B,68B,74C,110C,123C 'subcompon':12A,80C 'success':111C 'support':84C 't3':55B,64B,105C 'takeov':119C 'u/c':143C 'unauthent':58B,99C 'unspecifi':50B 'vector':135C 'version':85C 'via':104C 'vulner':1A,69C,97C,115C 'weblog':5A,44B,46B,73C,109C,122C 'weblogic':23A,26A,29A,32A,35A 'wls':13A,81C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2018-04-19T02:29:00+00:00","kev":{"dateAdded":"2022-09-08","dueDate":"2022-09-29","requiredAction":"Apply updates per vendor instructions.","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":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2018-2628","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2018-2628","severity":null,"published_at":"2022-09-08T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T11:39:16+00:00","note":null},{"source":"epss","external_id":"CVE-2018-2628","url":"https://api.first.org/data/v1/epss?cve=CVE-2018-2628","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:45+00:00","fetched_at":"2026-10-23T19:13:45+00:00","note":null},{"source":"nvd","external_id":"CVE-2018-2628","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-2628","severity":null,"published_at":"2018-04-19T02:29:00+00:00","modified_at":"2026-06-17T01:55:57+00:00","first_seen_at":"2026-10-23T22:29:04+00:00","fetched_at":"2026-10-23T22:29:04+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"}