{"id":"CVE-2011-0542","aliases":["DEBIAN-CVE-2011-0542","EUVD-2011-0560","GHSA-w2gc-fxmq-hpfh","RHSA-2011:1083"],"status":"published","title":"fusermount in fuse 2.8.5 and earlier does not perform a chdir to / before performing a mount or...","description":"fusermount in fuse 2.8.5 and earlier does not perform a chdir to / before performing a mount or umount, which allows local users to unmount arbitrary directories via unspecified vectors.","severity":{"version":"2.0","score":3.3,"vector":"AV:L/AC:M/Au:N/C:N/I:P/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00321,"percentile":0.25274,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-264"],"published":"2011-09-02T23:00:00Z","modified":"2026-10-23T17:47:44Z","fixes":[{"ecosystem":"Debian:12","package":"fuse","fixed_in":["2.8.5-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"fuse","fixed_in":["2.8.5-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"fuse","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.5-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"fuse","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.5-1"}]}]},{"source":"osv","ecosystem":"Red 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in fuse 2.8.5 and earlier does not perform a chdir to / before performing a mount or umount, which allows local users to unmount arbitrary directories via unspecified vectors.","status":"published","published":"2011-09-02T23:00:00Z","modified":"2024-08-06T21:58:25.873Z","updated_at":"2026-11-02T14:35:39.079595Z"}],"euvd":[{"id":"EUVD-2011-0560","description":"fusermount in fuse 2.8.5 and earlier does not perform a chdir to / before performing a mount or umount, which allows local users to unmount arbitrary directories via unspecified vectors.","status":"published","published":"2011-09-02T23:00:00Z","modified":"2024-08-06T21:58:25Z","updated_at":"2026-11-03T01:55:59.718693Z"}],"ghsa":[{"id":"GHSA-w2gc-fxmq-hpfh","title":"fusermount in fuse 2.8.5 and earlier does not perform a chdir to / before performing a mount or...","description":"fusermount in fuse 2.8.5 and earlier does not perform a chdir to / before performing a mount or umount, which allows local users to unmount arbitrary directories via unspecified vectors.","status":"published","published":"2022-05-17T05:39:48Z","modified":"2023-02-13T03:31:06Z","updated_at":"2026-11-02T14:54:05.992759Z"}],"nvd":[{"id":"CVE-2011-0542","description":"fusermount in fuse 2.8.5 and earlier does not perform a chdir to / before performing a mount or umount, which allows local users to unmount arbitrary directories via unspecified vectors.","status":"published","published":"2011-09-02T23:55:02.273Z","modified":"2026-06-16T23:27:35.797Z","cvss":[{"version":"2.0","score":3.3,"vector":"AV:L/AC:M/Au:N/C:N/I:P/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:09.988332Z"}],"osv":[{"id":"CVE-2011-0542","description":"fusermount in fuse 2.8.5 and earlier does not perform a chdir to / before performing a mount or umount, which allows local users to unmount arbitrary directories via unspecified vectors.","status":"published","published":"2011-09-02T23:55:02Z","modified":"2026-04-10T03:41:38.39174Z","updated_at":"2026-11-02T15:43:57.991581Z"},{"id":"DEBIAN-CVE-2011-0542","description":"fusermount in fuse 2.8.5 and earlier does not perform a chdir to / before performing a mount or umount, which allows local users to unmount arbitrary directories via unspecified vectors.","status":"published","published":"2011-09-02T23:55:02.273Z","modified":"2026-10-23T17:47:44.28088542Z","updated_at":"2026-11-02T15:45:24.316685Z"},{"id":"RHSA-2011:1083","title":"Red Hat Security Advisory: fuse security update","status":"published","published":"2024-09-15T19:04:26Z","modified":"2026-01-14T10:59:52.954807Z","updated_at":"2026-11-02T15:53:01.003286Z"}]}}