{"id":"CVE-2011-4356","aliases":["DEBIAN-CVE-2011-4356","EUVD-2011-0002","GHSA-rpc6-h455-3rx5","PYSEC-2011-17"],"status":"published","title":"Celery local privilege escalation vulnerability","description":"Celery 2.1 and 2.2 before 2.2.8, 2.3 before 2.3.4, and 2.4 before 2.4.4 changes the effective id but not the real id during processing of the --uid and --gid arguments to celerybeat, celeryd_detach, celeryd-multi, and celeryev, which allows local users to gain privileges via vectors involving crafted code that is executed by the worker process.","severity":{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00327,"percentile":0.25995,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-264","CWE-269"],"published":"2011-12-05T11:00:00Z","modified":"2026-10-23T17:47:22Z","fixes":[{"ecosystem":"PyPI","package":"celery","fixed_in":["2.2.8","2.3.4","2.4.4"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"celery","fixed_in":["2.4.6-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"celery","fixed_in":["2.4.6-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"celery","fixed_in":["2.4.6-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"celery","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.2.8"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"celery","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3.0"},{"fixed":"2.3.4"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"celery","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.0"},{"fixed":"2.4.4"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"celery","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.6-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"celery","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.6-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"celery","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.6-1"}]}]},{"source":"osv","ecosystem":"PyPI","package":"celery","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.2.8"}]}],"versions":["2.1.0","2.1.1","2.1.2","2.1.3","2.1.4","2.2.0","2.2.1","2.2.2","2.2.3","2.2.4","2.2.5","2.2.6","2.2.7"]},{"source":"osv","ecosystem":"PyPI","package":"celery","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3.0"},{"fixed":"2.3.4"}]}],"versions":["2.3.0","2.3.1","2.3.2","2.3.3"]},{"source":"osv","ecosystem":"PyPI","package":"celery","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.0"},{"fixed":"2.4.4"}]}],"versions":["2.4.0","2.4.1","2.4.2","2.4.3"]},{"source":"osv","ecosystem":"PyPI","package":"celery","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1"},{"fixed":"2.2.8"},{"introduced":"2.3"},{"fixed":"2.3.4"},{"introduced":"2.4"},{"fixed":"2.4.4"}]}],"versions":["2.1.0","2.1.1","2.1.2","2.1.3","2.1.4","2.2.0","2.2.1","2.2.2","2.2.3","2.2.4","2.2.5","2.2.6","2.2.7","2.3.0","2.3.1","2.3.2","2.3.3","2.4.0","2.4.1","2.4.2","2.4.3"]}],"products":[{"vendor":"celeryproject","product":"celery"}],"references":[{"url":"http://secunia.com/advisories/46973","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.securityfocus.com/bid/50825","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://github.com/ask/celery/blob/master/docs/sec/CELERYSA-0001.txt","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix","web"]},{"url":"https://github.com/ask/celery/pull/544","tags":["x_refsource_CONFIRM","x_transferred","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4356","tags":["advisory"]},{"url":"https://github.com/celery/celery/pull/544","tags":["web"]},{"url":"https://github.com/celery/celery/commit/53514b158b743678d8993638be5920cd09ccc35c","tags":["web"]},{"url":"https://github.com/celery/celery/commit/73388921731a0e6feb28ab0d389c4f7dc4d524f6","tags":["web"]},{"url":"https://github.com/celery/celery/commit/e0767e40994754fe8482bf4ff622c5c6d0b9f671","tags":["web"]},{"url":"https://github.com/celery/celery/blob/master/docs/sec/CELERYSA-0001.txt","tags":["web"]},{"url":"https://web.archive.org/web/20140722114447/http://secunia.com/advisories/46973","tags":["web"]},{"url":"https://web.archive.org/web/20200305001706/http://www.securityfocus.com/bid/50825","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/celery/PYSEC-2011-17.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-rpc6-h455-3rx5","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2011-4356","tags":["advisory"]},{"url":"https://github.com/celery/celery","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2011-4356","description":"Celery 2.1 and 2.2 before 2.2.8, 2.3 before 2.3.4, and 2.4 before 2.4.4 changes the effective id but not the real id during processing of the --uid and --gid arguments to celerybeat, celeryd_detach, celeryd-multi, and celeryev, which allows local users to gain privileges via vectors involving crafted code that is executed by the worker process.","status":"published","published":"2011-12-05T11:00:00Z","modified":"2024-08-07T00:09:18.439Z","updated_at":"2026-11-02T14:35:37.989579Z"}],"euvd":[{"id":"EUVD-2011-0002","description":"Celery 2.1 and 2.2 before 2.2.8, 2.3 before 2.3.4, and 2.4 before 2.4.4 changes the effective id but not the real id during processing of the --uid and --gid arguments to celerybeat, celeryd_detach, celeryd-multi, and celeryev, which allows local users to gain privileges via vectors involving crafted code that is executed by the worker process.","status":"published","published":"2011-12-05T11:00:00Z","modified":"2024-08-07T00:09:18Z","updated_at":"2026-11-03T01:39:48.961231Z"}],"ghsa":[{"id":"GHSA-rpc6-h455-3rx5","title":"Celery local privilege escalation vulnerability","description":"Celery 2.1 and 2.2 before 2.2.8, 2.3 before 2.3.4, and 2.4 before 2.4.4 changes the effective id but not the real id during processing of the --uid and --gid arguments to celerybeat, celeryd_detach, celeryd-multi, and celeryev, which allows local users to gain privileges via vectors involving crafted code that is executed by the worker process.","status":"published","published":"2022-05-17T05:36:00Z","modified":"2024-09-06T16:36:29Z","cwes":["CWE-269"],"updated_at":"2026-11-02T14:38:01.080229Z"}],"nvd":[{"id":"CVE-2011-4356","description":"Celery 2.1 and 2.2 before 2.2.8, 2.3 before 2.3.4, and 2.4 before 2.4.4 changes the effective id but not the real id during processing of the --uid and --gid arguments to celerybeat, celeryd_detach, celeryd-multi, and celeryev, which allows local users to gain privileges via vectors involving crafted code that is executed by the worker process.","status":"published","published":"2011-12-05T11:55:07.38Z","modified":"2026-06-16T23:34:50.183Z","cvss":[{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:11.800512Z"}],"osv":[{"id":"CVE-2011-4356","description":"Celery 2.1 and 2.2 before 2.2.8, 2.3 before 2.3.4, and 2.4 before 2.4.4 changes the effective id but not the real id during processing of the --uid and --gid arguments to celerybeat, celeryd_detach, celeryd-multi, and celeryev, which allows local users to gain privileges via vectors involving crafted code that is executed by the worker process.","status":"published","published":"2011-12-05T11:55:07Z","modified":"2026-04-10T03:42:04.848217Z","updated_at":"2026-11-02T15:43:58.279353Z"},{"id":"DEBIAN-CVE-2011-4356","description":"Celery 2.1 and 2.2 before 2.2.8, 2.3 before 2.3.4, and 2.4 before 2.4.4 changes the effective id but not the real id during processing of the --uid and --gid arguments to celerybeat, celeryd_detach, celeryd-multi, and celeryev, which allows local users to gain privileges via vectors involving crafted code that is executed by the worker process.","status":"published","published":"2011-12-05T11:55:07.38Z","modified":"2026-10-23T17:47:22.68992864Z","updated_at":"2026-11-02T15:45:24.612044Z"},{"id":"GHSA-rpc6-h455-3rx5","title":"Celery local privilege escalation vulnerability","description":"Celery 2.1 and 2.2 before 2.2.8, 2.3 before 2.3.4, and 2.4 before 2.4.4 changes the effective id but not the real id during processing of the --uid and --gid arguments to celerybeat, celeryd_detach, celeryd-multi, and celeryev, which allows local users to gain privileges via vectors involving crafted code that is executed by the worker process.","status":"published","published":"2022-05-17T05:36:00Z","modified":"2024-12-08T05:25:41.675688Z","cwes":["CWE-269"],"updated_at":"2026-11-02T15:46:56.281047Z"},{"id":"PYSEC-2011-17","description":"Celery 2.1 and 2.2 before 2.2.8, 2.3 before 2.3.4, and 2.4 before 2.4.4 changes the effective id but not the real id during processing of the --uid and --gid arguments to celerybeat, celeryd_detach, celeryd-multi, and celeryev, which allows local users to gain privileges via vectors involving crafted code that is executed by the worker process.","status":"published","published":"2011-12-05T11:55:00Z","modified":"2026-06-10T17:00:42.043242897Z","updated_at":"2026-11-02T15:52:51.254177Z"}]}}