{"id":"CVE-2013-20001","aliases":["DEBIAN-CVE-2013-20001","DLA-3766-1","DLA-4114-1","EUVD-2013-1988","GHSA-95qf-v6r5-2v3v","UBUNTU-CVE-2013-20001","USN-6511-1"],"status":"published","title":"An issue was discovered in OpenZFS through 2.0.3. When an NFS share is exported to IPv6 addresses...","description":"An issue was discovered in OpenZFS through 2.0.3. When an NFS share is exported to IPv6 addresses via the sharenfs feature, there is a silent failure to parse the IPv6 address data, and access is allowed to everyone. IPv6 restrictions from the configuration are not applied.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02109,"percentile":0.81912,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-02-12T00:00:00Z","modified":"2026-09-01T20:03:15Z","fixes":[{"ecosystem":"Debian:12","package":"zfs-linux","fixed_in":["2.1.11-1+deb12u1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"zfs-linux","fixed_in":["2.2.2-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"zfs-linux","fixed_in":["2.2.2-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"zfs-linux","fixed_in":["0.8.3-1ubuntu12.16"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"zfs-linux","fixed_in":["2.1.5-1ubuntu6~22.04.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"zfs-linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.11-1+deb12u1"}]}],"versions":["0.6.5.10-1","0.6.5.11-1","0.6.5.11-1~bpo8+1","0.6.5.11-1~bpo9+1","0.6.5.5-1","0.6.5.6-1","0.6.5.6-2","0.6.5.7-1","0.6.5.7-2","0.6.5.7-2~bpo8+1","0.6.5.8-1","0.6.5.8-1~bpo8+1","0.6.5.8-2","0.6.5.8-2~bpo8+1","0.6.5.8-3","0.6.5.9-1","0.6.5.9-2","0.6.5.9-2~bpo8+1","0.6.5.9-3","0.6.5.9-4","0.6.5.9-5","0.6.5.9-5+sparc64","0.6.5.9-5~bpo8+1","0.7.11-1","0.7.11-1~bpo8+1","0.7.11-1~bpo9+1","0.7.11-2","0.7.11-3","0.7.12-1","0.7.12-1~bpo9+1","0.7.12-2","0.7.12-3","0.7.12-4","0.7.12-5","0.7.13-1","0.7.13-1~bpo10+1","0.7.13-1~bpo9+1","0.7.3-1","0.7.3-2","0.7.3-3","0.7.3-3~bpo8+1","0.7.3-3~bpo9+1","0.7.4-1","0.7.4-1~bpo8+1","0.7.4-1~bpo9+1","0.7.5-1","0.7.5-1~bpo9+1","0.7.6-1","0.7.6-1~bpo8+1","0.7.6-1~bpo9+1","0.7.9-0.1","0.7.9-1","0.7.9-2","0.7.9-3","0.7.9-3~bpo8+1","0.7.9-3~bpo9+1","0.8.0-1","0.8.0-2","0.8.0~rc3-1","0.8.0~rc4-1","0.8.1-1","0.8.1-2","0.8.1-3","0.8.1-4","0.8.1-4~bpo10+1","0.8.2-1","0.8.2-2","0.8.2-2~bpo10+1","0.8.2-3","0.8.2-3~bpo10+1","0.8.2-4","0.8.2-5","0.8.3-1","0.8.3-1~bpo10+1","0.8.3-2","0.8.4-1","0.8.4-1~bpo10+1","0.8.4-2","0.8.4-2~bpo10+1","0.8.5-1","0.8.5-2","0.8.5-2~bpo10+1","0.8.5-3","0.8.5-3~bpo10+1","0.8.6-1","0.8.6-1~bpo10+1","2.0.0-1~exp1","2.0.1-1","2.0.1-1~exp1","2.0.1-2","2.0.1-3","2.0.2-1","2.0.2-1~bpo10+1","2.0.3-1","2.0.3-1~bpo10+1","2.0.3-2","2.0.3-3","2.0.3-4","2.0.3-5","2.0.3-6","2.0.3-7","2.0.3-8","2.0.3-8~bpo10+1","2.0.3-9","2.0.3-9~bpo10+1","2.0.6-1","2.0.6-1~bpo10+1","2.0.6-1~bpo11+1","2.0.6-2","2.0.7-1~bpo10+1","2.1.1-1","2.1.1-2","2.1.1-3","2.1.11-1","2.1.11-1~bpo11+1","2.1.2-1","2.1.2-1~bpo11+1","2.1.4-1","2.1.4-1~bpo11+1","2.1.5-1","2.1.5-1~bpo11+1","2.1.6-1","2.1.6-2","2.1.6-3","2.1.6-3~bpo11+1","2.1.7-1","2.1.7-1~bpo11+1","2.1.7-2","2.1.8-1","2.1.9-1","2.1.9-1~bpo11+1","2.1.9-2","2.1.9-3","2.1.9-3~bpo11+1","2.1.9-4"]},{"source":"osv","ecosystem":"Debian:13","package":"zfs-linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.2-1"}]}],"versions":["0.6.5.10-1","0.6.5.11-1","0.6.5.11-1~bpo8+1","0.6.5.11-1~bpo9+1","0.6.5.5-1","0.6.5.6-1","0.6.5.6-2","0.6.5.7-1","0.6.5.7-2","0.6.5.7-2~bpo8+1","0.6.5.8-1","0.6.5.8-1~bpo8+1","0.6.5.8-2","0.6.5.8-2~bpo8+1","0.6.5.8-3","0.6.5.9-1","0.6.5.9-2","0.6.5.9-2~bpo8+1","0.6.5.9-3","0.6.5.9-4","0.6.5.9-5","0.6.5.9-5+sparc64","0.6.5.9-5~bpo8+1","0.7.11-1","0.7.11-1~bpo8+1","0.7.11-1~bpo9+1","0.7.11-2","0.7.11-3","0.7.12-1","0.7.12-1~bpo9+1","0.7.12-2","0.7.12-3","0.7.12-4","0.7.12-5","0.7.13-1","0.7.13-1~bpo10+1","0.7.13-1~bpo9+1","0.7.3-1","0.7.3-2","0.7.3-3","0.7.3-3~bpo8+1","0.7.3-3~bpo9+1","0.7.4-1","0.7.4-1~bpo8+1","0.7.4-1~bpo9+1","0.7.5-1","0.7.5-1~bpo9+1","0.7.6-1","0.7.6-1~bpo8+1","0.7.6-1~bpo9+1","0.7.9-0.1","0.7.9-1","0.7.9-2","0.7.9-3","0.7.9-3~bpo8+1","0.7.9-3~bpo9+1","0.8.0-1","0.8.0-2","0.8.0~rc3-1","0.8.0~rc4-1","0.8.1-1","0.8.1-2","0.8.1-3","0.8.1-4","0.8.1-4~bpo10+1","0.8.2-1","0.8.2-2","0.8.2-2~bpo10+1","0.8.2-3","0.8.2-3~bpo10+1","0.8.2-4","0.8.2-5","0.8.3-1","0.8.3-1~bpo10+1","0.8.3-2","0.8.4-1","0.8.4-1~bpo10+1","0.8.4-2","0.8.4-2~bpo10+1","0.8.5-1","0.8.5-2","0.8.5-2~bpo10+1","0.8.5-3","0.8.5-3~bpo10+1","0.8.6-1","0.8.6-1~bpo10+1","2.0.0-1~exp1","2.0.1-1","2.0.1-1~exp1","2.0.1-2","2.0.1-3","2.0.2-1","2.0.2-1~bpo10+1","2.0.3-1","2.0.3-1~bpo10+1","2.0.3-2","2.0.3-3","2.0.3-4","2.0.3-5","2.0.3-6","2.0.3-7","2.0.3-8","2.0.3-8~bpo10+1","2.0.3-9","2.0.3-9~bpo10+1","2.0.6-1","2.0.6-1~bpo10+1","2.0.6-1~bpo11+1","2.0.6-2","2.0.7-1~bpo10+1","2.1.1-1","2.1.1-2","2.1.1-3","2.1.11-1","2.1.11-1~bpo11+1","2.1.12-1","2.1.12-2","2.1.12-2~bpo12+1","2.1.13-1","2.1.13-1~bpo11+1","2.1.13-1~bpo12+1","2.1.13-2","2.1.13-2~bpo11+1","2.1.13-2~bpo12+1","2.1.14-1","2.1.14-1~bpo11+1","2.1.14-1~bpo12+1","2.1.2-1","2.1.2-1~bpo11+1","2.1.4-1","2.1.4-1~bpo11+1","2.1.5-1","2.1.5-1~bpo11+1","2.1.6-1","2.1.6-2","2.1.6-3","2.1.6-3~bpo11+1","2.1.7-1","2.1.7-1~bpo11+1","2.1.7-2","2.1.8-1","2.1.9-1","2.1.9-1~bpo11+1","2.1.9-2","2.1.9-3","2.1.9-3~bpo11+1","2.1.9-4",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Party Advisory","advisory","evidence"]},{"url":"https://github.com/openzfs/zfs/releases","tags":["x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/03/msg00019.html","tags":["mailing-list","x_transferred","web"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/04/msg00009.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-20001"},{"url":"https://github.com/advisories/GHSA-95qf-v6r5-2v3v"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-20001","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2013-20001","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-6511-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-20001","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2013-20001","description":"An issue was discovered in OpenZFS through 2.0.3. When an NFS share is exported to IPv6 addresses via the sharenfs feature, there is a silent failure to parse the IPv6 address data, and access is allowed to everyone. IPv6 restrictions from the configuration are not applied.","status":"published","published":"2021-02-12T00:00:00Z","modified":"2025-11-03T19:25:13.751Z","updated_at":"2026-11-02T14:34:55.098814Z"}],"euvd":[{"id":"EUVD-2013-1988","description":"An issue was discovered in OpenZFS through 2.0.3. When an NFS share is exported to IPv6 addresses via the sharenfs feature, there is a silent failure to parse the IPv6 address data, and access is allowed to everyone. IPv6 restrictions from the configuration are not applied.","status":"published","published":"2021-02-12T00:00:00Z","modified":"2025-11-03T19:25:13Z","updated_at":"2026-11-02T19:49:34.635725Z"}],"ghsa":[{"id":"GHSA-95qf-v6r5-2v3v","title":"An issue was discovered in OpenZFS through 2.0.3. When an NFS share is exported to IPv6 addresses...","description":"An issue was discovered in OpenZFS through 2.0.3. When an NFS share is exported to IPv6 addresses via the sharenfs feature, there is a silent failure to parse the IPv6 address data, and access is allowed to everyone. IPv6 restrictions from the configuration are not applied.","status":"published","published":"2022-05-05T00:29:41Z","modified":"2025-11-03T21:31:35Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:04:18.722049Z"}],"nvd":[{"id":"CVE-2013-20001","description":"An issue was discovered in OpenZFS through 2.0.3. When an NFS share is exported to IPv6 addresses via the sharenfs feature, there is a silent failure to parse the IPv6 address data, and access is allowed to everyone. IPv6 restrictions from the configuration are not applied.","status":"published","published":"2021-02-12T20:15:12.47Z","modified":"2026-06-16T23:52:32.94Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:52.934105Z"}],"osv":[{"id":"CVE-2013-20001","description":"An issue was discovered in OpenZFS through 2.0.3. When an NFS share is exported to IPv6 addresses via the sharenfs feature, there is a silent failure to parse the IPv6 address data, and access is allowed to everyone. IPv6 restrictions from the configuration are not applied.","status":"published","published":"2021-02-12T20:15:12Z","modified":"2026-04-10T03:43:19.723164Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:43:58.802805Z"},{"id":"DEBIAN-CVE-2013-20001","description":"An issue was discovered in OpenZFS through 2.0.3. When an NFS share is exported to IPv6 addresses via the sharenfs feature, there is a silent failure to parse the IPv6 address data, and access is allowed to everyone. IPv6 restrictions from the configuration are not applied.","status":"published","published":"2021-02-12T20:15:12.47Z","modified":"2026-09-01T20:03:15.758738642Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:25.514579Z"},{"id":"UBUNTU-CVE-2013-20001","description":"An issue was discovered in OpenZFS through 2.0.3. When an NFS share is exported to IPv6 addresses via the sharenfs feature, there is a silent failure to parse the IPv6 address data, and access is allowed to everyone. IPv6 restrictions from the configuration are not applied.","status":"published","published":"2021-02-12T20:15:00Z","modified":"2026-08-31T22:15:05.322473851Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:06.854805Z"},{"id":"DLA-3766-1","title":"zfs-linux - security update","status":"published","published":"2024-03-19T00:00:00Z","modified":"2026-03-09T01:21:59.581188Z","updated_at":"2026-11-02T15:46:12.203458Z"},{"id":"DLA-4114-1","title":"zfs-linux - security update","status":"published","published":"2025-04-05T00:00:00Z","modified":"2026-03-09T01:19:25.871642Z","updated_at":"2026-11-02T15:46:12.7027Z"},{"id":"USN-6511-1","title":"zfs-linux vulnerability","description":"It was discovered that the OpenZFS sharenfs feature incorrectly handled\nIPv6 address data. This could result in IPv6 restrictions not being\napplied, contrary to expectations.\n","status":"published","published":"2023-11-23T13:50:30Z","modified":"2026-04-27T16:58:28.303565Z","updated_at":"2026-11-02T16:58:17.305935Z"}]}}