{"id":"CVE-2017-14849","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-14849","generatedAt":"2026-10-29T02:44:09.618Z","title":"Node.js 8.5.0 before 8.6.0 allows remote attackers to access unintended files, because a change to \"..\" handling was incompatible with the pathname validation used by unspecified community modules.","description":"Node.js 8.5.0 before 8.6.0 allows remote attackers to access unintended files, because a change to \"..\" handling was incompatible with the pathname validation used by unspecified community modules.","published":"2017-09-28T01:29:03.000Z","lastModified":"2026-06-17T01:06:51.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-22"],"affected":["nodejs/node.js"],"epss":{"score":0.54389,"percentile":0.99006,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.39555,"percentile":0.9859},{"date":"2026-09-22","score":0.54389,"percentile":0.98962}]},"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 54.4%, higher than 99% 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":0.54389,"from":0.39555,"percentile":0.98962},"summary":"EPSS moved from 39.6% to 54.4% probability of exploitation in the next thirty days."}],"references":[{"url":"http://www.securityfocus.com/bid/101056","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://nodejs.org/en/blog/vulnerability/september-2017-path-validation/","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://twitter.com/nodejs/status/913131152868876288","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/101056","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://nodejs.org/en/blog/vulnerability/september-2017-path-validation/","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://twitter.com/nodejs/status/913131152868876288","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-14849","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."}