{"id":"CVE-2020-5284","aliases":["EUVD-2020-0342","GHSA-fq77-7p7r-83rj"],"status":"published","title":"Directory Traversal in Next.js versions below 9.3.2","description":"Next.js versions before 9.3.2 have a directory traversal vulnerability. Attackers could craft special requests to access files in the dist directory (.next). This does not affect files outside of the dist directory (.next). In general, the dist directory only holds build assets unless your application intentionally stores other assets under this directory. This issue is fixed in version 9.3.2.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.44776,"percentile":0.98782,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22","CWE-23"],"published":"2020-03-30T20:40:11Z","modified":"2026-10-20T10:54:22Z","exploits":[{"source":"nuclei","id":"CVE-2020-5284","title":"Next.js \u003c9.3.2 - Local File Inclusion","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-5284.yaml"}],"fixes":[{"ecosystem":"npm","package":"next","fixed_in":["9.3.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"next","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.9.9"},{"fixed":"9.3.2"}]}]},{"source":"osv","ecosystem":"npm","package":"next","ranges":[{"type":"SEMVER","events":[{"introduced":"0.9.9"},{"fixed":"9.3.2"}]}]}],"products":[{"vendor":"vercel","product":"next.js"},{"vendor":"zeit","product":"next.js"}],"references":[{"url":"https://github.com/zeit/next.js/security/advisories/GHSA-fq77-7p7r-83rj","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/zeit/next.js/releases/tag/v9.3.2","tags":["x_refsource_MISC","x_transferred","Release Notes","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5284","tags":["advisory"]},{"url":"https://www.npmjs.com/advisories/1503","tags":["web"]},{"url":"https://github.com/advisories/GHSA-fq77-7p7r-83rj"}],"sources":{"cve":[{"id":"CVE-2020-5284","title":"Directory Traversal in Next.js versions below 9.3.2","description":"Next.js versions before 9.3.2 have a directory traversal vulnerability. Attackers could craft special requests to access files in the dist directory (.next). This does not affect files outside of the dist directory (.next). In general, the dist directory only holds build assets unless your application intentionally stores other assets under this directory. This issue is fixed in version 9.3.2.","status":"published","published":"2020-03-30T20:40:11Z","modified":"2024-08-04T08:22:09.087Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-23"],"updated_at":"2026-11-02T14:35:47.877975Z"}],"euvd":[{"id":"EUVD-2020-0342","description":"Next.js versions before 9.3.2 have a directory traversal vulnerability. Attackers could craft special requests to access files in the dist directory (.next). This does not affect files outside of the dist directory (.next). In general, the dist directory only holds build assets unless your application intentionally stores other assets under this directory. This issue is fixed in version 9.3.2.","status":"published","published":"2020-03-30T20:40:11Z","modified":"2024-08-04T08:22:09Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T03:08:07.28588Z"}],"ghsa":[{"id":"GHSA-fq77-7p7r-83rj","title":"Directory Traversal in Next.js","description":"### Impact\n\n- **Not affected**: Deployments on ZEIT Now v2 ([https://zeit.co](https://zeit.co/)) are not affected\n- **Not affected**: Deployments using the `serverless` target\n- **Not affected**: Deployments using `next export`\n- **Affected**: Users of Next.js below 9.3.2\n\nWe recommend everyone to upgrade regardless of whether you can reproduce the issue or not.\n\n### Patches\n\nhttps://github.com/zeit/next.js/releases/tag/v9.3.2\n\n### References\n\nhttps://github.com/zeit/next.js/releases/tag/v9.3.2","status":"published","published":"2020-03-30T20:40:50Z","modified":"2025-09-26T17:49:57Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-23"],"updated_at":"2026-11-02T14:38:58.965005Z"}],"nvd":[{"id":"CVE-2020-5284","description":"Next.js versions before 9.3.2 have a directory traversal vulnerability. Attackers could craft special requests to access files in the dist directory (.next). This does not affect files outside of the dist directory (.next). In general, the dist directory only holds build assets unless your application intentionally stores other assets under this directory. This issue is fixed in version 9.3.2.","status":"published","published":"2020-03-30T22:15:15.4Z","modified":"2026-06-17T03:21:12.07Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-23","CWE-22"],"updated_at":"2026-11-02T14:05:56.580228Z"}],"osv":[{"id":"CVE-2020-5284","description":"Next.js versions before 9.3.2 have a directory traversal vulnerability. Attackers could craft special requests to access files in the dist directory (.next). This does not affect files outside of the dist directory (.next). In general, the dist directory only holds build assets unless your application intentionally stores other assets under this directory. This issue is fixed in version 9.3.2.","status":"published","published":"2020-03-30T22:15:15.4Z","modified":"2026-10-20T10:54:22.608941671Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:16.936975Z"},{"id":"GHSA-fq77-7p7r-83rj","title":"Directory Traversal in Next.js","description":"### Impact\n\n- **Not affected**: Deployments on ZEIT Now v2 ([https://zeit.co](https://zeit.co/)) are not affected\n- **Not affected**: Deployments using the `serverless` target\n- **Not affected**: Deployments using `next export`\n- **Affected**: Users of Next.js below 9.3.2\n\nWe recommend everyone to upgrade regardless of whether you can reproduce the issue or not.\n\n### Patches\n\nhttps://github.com/zeit/next.js/releases/tag/v9.3.2\n\n### References\n\nhttps://github.com/zeit/next.js/releases/tag/v9.3.2","status":"published","published":"2020-03-30T20:40:50Z","modified":"2026-09-10T03:48:29.156713141Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-23"],"updated_at":"2026-11-02T15:46:46.760785Z"}]}}