{"id":"CVE-2015-4156","aliases":["DEBIAN-CVE-2015-4156","EUVD-2015-4180","GHSA-c272-w43g-64p3","UBUNTU-CVE-2015-4156"],"status":"published","title":"GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows...","description":"GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows local users to write to arbitrary files via a symlink attack on a temporary file.","severity":{"version":"2.0","score":3.6,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00372,"percentile":0.31416,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-59"],"published":"2015-06-02T14:00:00Z","modified":"2026-09-09T06:47:21Z","fixes":[{"ecosystem":"Debian:12","package":"parallel","fixed_in":["20161222-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"parallel","fixed_in":["20161222-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"parallel","fixed_in":["20161222-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"parallel","fixed_in":["20161222-1~ubuntu0.16.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"parallel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20161222-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"parallel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20161222-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"parallel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20161222-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"parallel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20161222-1~ubuntu0.16.04.1"}]}],"versions":["20141022+ds1-1"]}],"products":[{"vendor":"gnu","product":"parallel"},{"vendor":"opensuse","product":"opensuse"}],"references":[{"url":"http://lists.opensuse.org/opensuse-updates/2015-05/msg00090.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web","report"]},{"url":"http://www.securityfocus.com/bid/74961","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://lists.gnu.org/archive/html/parallel/2015-04/msg00045.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Vendor Advisory","advisory","report"]},{"url":"http://lists.gnu.org/archive/html/parallel/2015-05/msg00024.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-4156"},{"url":"https://github.com/advisories/GHSA-c272-w43g-64p3"},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-4156","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2015-4156","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-4156","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2015-4156","description":"GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows local users to write to arbitrary files via a symlink attack on a temporary file.","status":"published","published":"2015-06-02T14:00:00Z","modified":"2024-08-06T06:04:02.813Z","updated_at":"2026-11-02T14:35:43.322279Z"}],"euvd":[{"id":"EUVD-2015-4180","description":"GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows local users to write to arbitrary files via a symlink attack on a temporary file.","status":"published","published":"2015-06-02T14:00:00Z","modified":"2024-08-06T06:04:02Z","updated_at":"2026-11-03T02:22:05.081899Z"}],"ghsa":[{"id":"GHSA-c272-w43g-64p3","title":"GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows...","description":"GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows local users to write to arbitrary files via a symlink attack on a temporary file.","status":"published","published":"2022-05-14T02:07:17Z","modified":"2023-02-02T05:04:55Z","cwes":["CWE-59"],"updated_at":"2026-11-02T14:51:59.342258Z"}],"nvd":[{"id":"CVE-2015-4156","description":"GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows local users to write to arbitrary files via a symlink attack on a temporary file.","status":"published","published":"2015-06-02T14:59:16.333Z","modified":"2026-06-17T00:26:50Z","cvss":[{"version":"2.0","score":3.6,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:03:04.906059Z"}],"osv":[{"id":"CVE-2015-4156","description":"GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows local users to write to arbitrary files via a symlink attack on a temporary file.","status":"published","published":"2015-06-02T14:59:16Z","modified":"2026-04-10T03:45:18.936734Z","updated_at":"2026-11-02T15:44:00.594921Z"},{"id":"DEBIAN-CVE-2015-4156","description":"GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows local users to write to arbitrary files via a symlink attack on a temporary file.","status":"published","published":"2015-06-02T14:59:16.333Z","modified":"2026-09-09T06:47:21.504265672Z","updated_at":"2026-11-02T15:45:26.752992Z"},{"id":"UBUNTU-CVE-2015-4156","description":"GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows local users to write to arbitrary files via a symlink attack on a temporary file.","status":"published","published":"2015-06-02T14:59:00Z","modified":"2025-07-18T16:43:13Z","updated_at":"2026-11-02T15:54:10.385269Z"}]}}