{"id":"CVE-2019-12479","aliases":["EUVD-2019-4075","GHSA-56jj-mw3h-pcfg"],"status":"published","title":"An issue was discovered in 20|20 Storage 2.11.0. A Path Traversal vulnerability in the...","description":"An issue was discovered in 20|20 Storage 2.11.0. A Path Traversal vulnerability in the TwentyTwenty.Storage library in the LocalStorageProvider allows creating and reading files outside of the specified basepath. If the application using this library does not sanitize user-supplied filenames, then this issue may be exploited to read or write arbitrary files. This affects LocalStorageProvider.cs.","severity":{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02007,"percentile":0.80975,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2019-08-13T20:46:14Z","modified":"2026-06-17T02:14:44Z","products":[{"vendor":"twentytwenty.storage_project","product":"twentytwenty.storage"}],"references":[{"url":"https://security401.com/twentytwenty-storage-path-traversal/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-12479"},{"url":"https://security401.com/twentytwenty-storage-path-traversal"},{"url":"https://github.com/advisories/GHSA-56jj-mw3h-pcfg"}],"sources":{"cve":[{"id":"CVE-2019-12479","description":"An issue was discovered in 20|20 Storage 2.11.0. A Path Traversal vulnerability in the TwentyTwenty.Storage library in the LocalStorageProvider allows creating and reading files outside of the specified basepath. If the application using this library does not sanitize user-supplied filenames, then this issue may be exploited to read or write arbitrary files. This affects LocalStorageProvider.cs.","status":"published","published":"2019-08-13T20:46:14Z","modified":"2024-08-04T23:24:37.919Z","updated_at":"2026-11-02T14:20:23.697579Z"}],"euvd":[{"id":"EUVD-2019-4075","description":"An issue was discovered in 20|20 Storage 2.11.0. A Path Traversal vulnerability in the TwentyTwenty.Storage library in the LocalStorageProvider allows creating and reading files outside of the specified basepath. If the application using this library does not sanitize user-supplied filenames, then this issue may be exploited to read or write arbitrary files. This affects LocalStorageProvider.cs.","status":"published","published":"2019-08-13T20:46:14Z","modified":"2024-08-04T23:24:37Z","updated_at":"2026-11-03T02:40:45.973526Z"}],"ghsa":[{"id":"GHSA-56jj-mw3h-pcfg","title":"An issue was discovered in 20|20 Storage 2.11.0. A Path Traversal vulnerability in the...","description":"An issue was discovered in 20|20 Storage 2.11.0. A Path Traversal vulnerability in the TwentyTwenty.Storage library in the LocalStorageProvider allows creating and reading files outside of the specified basepath. If the application using this library does not sanitize user-supplied filenames, then this issue may be exploited to read or write arbitrary files. This affects LocalStorageProvider.cs.","status":"published","published":"2022-05-24T16:53:15Z","modified":"2024-04-04T01:38:05Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:56:00.66442Z"}],"nvd":[{"id":"CVE-2019-12479","description":"An issue was discovered in 20|20 Storage 2.11.0. A Path Traversal vulnerability in the TwentyTwenty.Storage library in the LocalStorageProvider allows creating and reading files outside of the specified basepath. If the application using this library does not sanitize user-supplied filenames, then this issue may be exploited to read or write arbitrary files. This affects LocalStorageProvider.cs.","status":"published","published":"2019-08-13T21:15:11.347Z","modified":"2026-06-17T02:14:44.48Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:05:22.878504Z"}]}}