{"id":"CVE-2012-3371","aliases":["DEBIAN-CVE-2012-3371","EUVD-2012-0023","GHSA-xxgm-qpj5-4886","PYSEC-2012-40"],"status":"published","title":"OpenStack Nova Scheduler denial of service through scheduler_hints","description":"The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section.","severity":{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01855,"percentile":0.79315,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2012-07-17T21:00:00Z","modified":"2026-10-23T17:47:42Z","fixes":[{"ecosystem":"PyPI","package":"nova","fixed_in":["12.0.0a0"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"nova","fixed_in":["2012.1.1-5"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"nova","fixed_in":["2012.1.1-5"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"nova","fixed_in":["2012.1.1-5"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"nova","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.0.0a0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"nova","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2012.1.1-5"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"nova","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2012.1.1-5"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"nova","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2012.1.1-5"}]}]},{"source":"osv","ecosystem":"PyPI","package":"nova","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.0.0a0"}]}]}],"products":[{"vendor":"openstack","product":"compute"},{"vendor":"openstack","product":"essex"},{"vendor":"openstack","product":"folsom"}],"references":[{"url":"http://www.securityfocus.com/bid/54388","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://lists.launchpad.net/openstack/msg14452.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://bugs.launchpad.net/nova/+bug/1017795","tags":["x_refsource_CONFIRM","x_transferred","Exploit","evidence","web"]},{"url":"http://www.openwall.com/lists/oss-security/2012/07/11/13","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.ubuntu.com/usn/USN-1501-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory","web"]},{"url":"https://github.com/openstack/nova/commit/034762e8060dcf0a11cb039b9d426b0d0bb1801d","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","evidence","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-3371","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2012-40.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-xxgm-qpj5-4886","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-3371","tags":["advisory"]},{"url":"https://github.com/openstack/nova","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2012-3371","description":"The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section.","status":"published","published":"2012-07-17T21:00:00Z","modified":"2024-08-06T20:05:12.113Z","updated_at":"2026-11-02T14:34:50.615647Z"}],"euvd":[{"id":"EUVD-2012-0023","description":"The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section.","status":"published","published":"2012-07-17T21:00:00Z","modified":"2024-08-06T20:05:12Z","updated_at":"2026-11-03T01:56:11.327216Z"}],"ghsa":[{"id":"GHSA-xxgm-qpj5-4886","title":"OpenStack Nova Scheduler denial of service through scheduler_hints","description":"The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section.","status":"published","published":"2022-05-17T05:25:08Z","modified":"2024-11-22T18:08:36Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:38:22.774145Z"}],"nvd":[{"id":"CVE-2012-3371","description":"The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section.","status":"published","published":"2012-07-17T21:55:02.35Z","modified":"2026-06-16T23:43:05.68Z","cvss":[{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:14.774945Z"}],"osv":[{"id":"CVE-2012-3371","description":"The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section.","status":"published","published":"2012-07-17T21:55:02Z","modified":"2026-04-10T03:44:16.703391Z","updated_at":"2026-11-02T15:43:58.537032Z"},{"id":"DEBIAN-CVE-2012-3371","description":"The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section.","status":"published","published":"2012-07-17T21:55:02.35Z","modified":"2026-10-23T17:47:42.132959341Z","updated_at":"2026-11-02T15:45:24.92418Z"},{"id":"GHSA-xxgm-qpj5-4886","title":"OpenStack Nova Scheduler denial of service through scheduler_hints","description":"The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section.","status":"published","published":"2022-05-17T05:25:08Z","modified":"2024-11-22T18:08:36Z","cwes":["CWE-20"],"updated_at":"2026-11-02T15:47:00.604718Z"},{"id":"PYSEC-2012-40","description":"The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section.","status":"withdrawn","published":"2012-07-17T21:55:00Z","modified":"2026-06-10T17:02:26.747408007Z","updated_at":"2026-11-02T15:52:51.254177Z"}]}}