{"id":"CVE-2018-1002203","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-1002203","generatedAt":"2026-10-29T03:03:07.073Z","title":"unzipper npm library before 0.8.13 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction.","description":"unzipper npm library before 0.8.13 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.","published":"2018-07-25T17:29:01.000Z","lastModified":"2026-06-17T01:33:21.000Z","status":"Modified","sourceIdentifier":"report@snyk.io","cvss":{"version":"3.0","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"},"cwe":["CWE-22"],"affected":["unzipper project/unzipper"],"epss":{"score":0.10553,"percentile":0.95749,"date":"2026-10-27","history":[{"date":"2026-09-20","score":0.10553,"percentile":0.95562},{"date":"2026-09-21","score":0.03022,"percentile":0.86816},{"date":"2026-09-22","score":0.10553,"percentile":0.95566}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 10.6%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.10553,"from":0.03022,"percentile":0.95566},"summary":"EPSS moved from 3.0% to 10.6% probability of exploitation in the next thirty days."}],"references":[{"url":"https://github.com/ZJONSSON/node-unzipper/commit/2220ddd5b58f6252069a4f99f9475441ad0b50cd","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://github.com/ZJONSSON/node-unzipper/pull/59","tags":["Exploit","Issue Tracking","Patch","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://github.com/snyk/zip-slip-vulnerability","tags":["Exploit","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://snyk.io/research/zip-slip-vulnerability","tags":["Exploit","Issue Tracking","Patch","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://snyk.io/vuln/npm:unzipper:20180415","tags":["Exploit","Issue Tracking","Patch","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://github.com/ZJONSSON/node-unzipper/commit/2220ddd5b58f6252069a4f99f9475441ad0b50cd","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/ZJONSSON/node-unzipper/pull/59","tags":["Exploit","Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/snyk/zip-slip-vulnerability","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://snyk.io/research/zip-slip-vulnerability","tags":["Exploit","Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://snyk.io/vuln/npm:unzipper:20180415","tags":["Exploit","Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-1002203","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."}