{"id":"CVE-2020-21527","aliases":["EUVD-2020-14295","GHSA-v2gh-h86w-h9rq"],"status":"published","title":"There is an Arbitrary file deletion vulnerability in halo v1.1.3. A backup function in the...","description":"There is an Arbitrary file deletion vulnerability in halo v1.1.3. A backup function in the background allows a user, when deleting their backup files, to delete any files on the system through directory traversal.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01123,"percentile":0.66662,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2020-09-30T14:47:24Z","modified":"2026-06-17T03:03:45Z","products":[{"vendor":"halo","product":"halo"}],"references":[{"url":"https://github.com/halo-dev/halo/issues/422","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-21527"},{"url":"https://github.com/advisories/GHSA-v2gh-h86w-h9rq"}],"sources":{"cve":[{"id":"CVE-2020-21527","description":"There is an Arbitrary file deletion vulnerability in halo v1.1.3. A backup function in the background allows a user, when deleting their backup files, to delete any files on the system through directory traversal.","status":"published","published":"2020-09-30T14:47:24Z","modified":"2024-08-04T14:30:33.155Z","updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-14295","description":"There is an Arbitrary file deletion vulnerability in halo v1.1.3. A backup function in the background allows a user, when deleting their backup files, to delete any files on the system through directory traversal.","status":"published","published":"2020-09-30T14:47:24Z","modified":"2024-08-04T14:30:33Z","updated_at":"2026-11-03T03:07:23.734565Z"}],"ghsa":[{"id":"GHSA-v2gh-h86w-h9rq","title":"There is an Arbitrary file deletion vulnerability in halo v1.1.3. A backup function in the...","description":"There is an Arbitrary file deletion vulnerability in halo v1.1.3. A backup function in the background allows a user, when deleting their backup files, to delete any files on the system through directory traversal.","status":"published","published":"2022-05-24T17:29:50Z","modified":"2023-01-29T05:04:15Z","updated_at":"2026-11-02T14:45:30.341086Z"}],"nvd":[{"id":"CVE-2020-21527","description":"There is an Arbitrary file deletion vulnerability in halo v1.1.3. A backup function in the background allows a user, when deleting their backup files, to delete any files on the system through directory traversal.","status":"published","published":"2020-09-30T18:15:24.227Z","modified":"2026-06-17T03:03:45.453Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":8.5,"vector":"AV:N/AC:L/Au:S/C:N/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:06:17.70091Z"}]}}