{"id":"CVE-2018-1002203","aliases":["EUVD-2018-0248","GHSA-884w-698f-927f"],"status":"published","title":"Arbitrary File Write via Archive Extraction in unzipper","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'.","severity":{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.10553,"percentile":0.95808,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22"],"published":"2018-07-25T17:00:00Z","modified":"2026-10-20T10:50:15Z","fixes":[{"ecosystem":"npm","package":"unzipper","fixed_in":["0.8.13"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"unzipper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.13"}]}]},{"source":"osv","ecosystem":"npm","package":"unzipper","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.8.13"}]}]}],"products":[{"vendor":"node.js","product":"unzipper"},{"vendor":"unzipper_project","product":"unzipper"}],"references":[{"url":"https://snyk.io/research/zip-slip-vulnerability","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/ZJONSSON/node-unzipper/commit/2220ddd5b58f6252069a4f99f9475441ad0b50cd","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix","web"]},{"url":"https://snyk.io/vuln/npm:unzipper:20180415","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/snyk/zip-slip-vulnerability","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://github.com/ZJONSSON/node-unzipper/pull/59","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-1002203","tags":["advisory"]},{"url":"https://hackerone.com/reports/362119","tags":["web"]},{"url":"https://github.com/advisories/GHSA-884w-698f-927f","tags":["advisory"]},{"url":"https://www.npmjs.com/advisories/680","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2018-1002203","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'.","status":"published","published":"2018-07-25T17:00:00Z","modified":"2024-09-16T20:27:06.223Z","cwes":["CWE-22"],"updated_at":"2026-11-02T14:35:09.139955Z"}],"euvd":[{"id":"EUVD-2018-0248","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'.","status":"published","published":"2018-07-25T17:00:00Z","modified":"2024-09-16T20:27:06Z","updated_at":"2026-11-03T00:55:14.02226Z"}],"ghsa":[{"id":"GHSA-884w-698f-927f","title":"Arbitrary File Write via Archive Extraction in unzipper","description":"Versions of `unzipper` before 0.8.13 are vulnerable to arbitrary file write when used to extract a specifically crafted archive that contains path traversal filenames (`../../file.txt` for example).\n\n\n## Recommendation\n\nUpdate to version 0.3.18 or later.","status":"published","published":"2018-07-27T17:06:50Z","modified":"2023-09-20T05:02:52Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:37:06.234371Z"}],"nvd":[{"id":"CVE-2018-1002203","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'.","status":"published","published":"2018-07-25T17:29:01.157Z","modified":"2026-06-17T01:33:21.44Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:04:35.310988Z"}],"osv":[{"id":"CVE-2018-1002203","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'.","status":"published","published":"2018-07-25T17:29:01.157Z","modified":"2026-10-20T10:50:15.739071127Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:07.641418Z"},{"id":"GHSA-884w-698f-927f","title":"Arbitrary File Write via Archive Extraction in unzipper","description":"Versions of `unzipper` before 0.8.13 are vulnerable to arbitrary file write when used to extract a specifically crafted archive that contains path traversal filenames (`../../file.txt` for example).\n\n\n## Recommendation\n\nUpdate to version 0.3.18 or later.","status":"published","published":"2018-07-27T17:06:50Z","modified":"2023-11-08T03:59:42.346154Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:46:42.077781Z"}]}}