{"id":"CVE-2018-20233","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-20233","generatedAt":"2026-10-28T19:04:52.738Z","title":"The Upload add-on resource in Atlassian Universal Plugin Manager before version 2.22.14 allows remote attackers who have system administrator privileges to read files, make network requests and perform a denial of service attack via an XML External…","description":"The Upload add-on resource in Atlassian Universal Plugin Manager before version 2.22.14 allows remote attackers who have system administrator privileges to read files, make network requests and perform a denial of service attack via an XML External Entity vulnerability in the parsing of atlassian plugin xml files in an uploaded JAR.","published":"2019-01-18T21:29:00.000Z","lastModified":"2026-06-17T01:52:32.000Z","status":"Modified","sourceIdentifier":"security@atlassian.com","cvss":{"version":"3.0","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H"},"cwe":["CWE-611"],"affected":["atlassian/universal plugin manager"],"epss":{"score":0.01818,"percentile":0.78601,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.82%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/106661","tags":["Third Party Advisory","VDB Entry"],"source":"security@atlassian.com"},{"url":"https://ecosystem.atlassian.net/browse/UPM-5964","tags":["Issue Tracking","Vendor Advisory"],"source":"security@atlassian.com"},{"url":"http://www.securityfocus.com/bid/106661","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://ecosystem.atlassian.net/browse/UPM-5964","tags":["Issue Tracking","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-20233","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}