{"id":"CVE-2012-2101","aliases":["DEBIAN-CVE-2012-2101","EUVD-2012-0019","GHSA-hq3f-9gf7-73r8","PYSEC-2012-36"],"status":"published","title":"Openstack Compute (Nova) Denial of service via network request that triggers large number of iptables rules","description":"Openstack Compute (Nova) Folsom, 2012.1, and 2011.3 does not limit the number of security group rules, which allows remote authenticated users with certain permissions to cause a denial of service (CPU and hard drive consumption) via a network request that triggers a large number of iptables rules.","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":"2026-11-09","score":0.01463,"percentile":0.73811,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-264"],"published":"2012-06-07T19:00:00Z","modified":"2026-10-23T17:47:25Z","fixes":[{"ecosystem":"PyPI","package":"nova","fixed_in":["12.0.0a0"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"nova","fixed_in":["2012.1-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"nova","fixed_in":["2012.1-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"nova","fixed_in":["2012.1-2"],"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":"2012.1-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"nova","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2012.1-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"nova","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2012.1-2"}]}]},{"source":"osv","ecosystem":"PyPI","package":"nova","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.0.0a0"}]}]}],"products":[{"vendor":"openstack","product":"nova"}],"references":[{"url":"https://github.com/openstack/nova/commit/1f644d210557b1254f7c7b39424b09a45329ade7","tags":["x_refsource_CONFIRM","x_transferred","fix","web"]},{"url":"http://www.osvdb.org/81641","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"https://github.com/openstack/nova/commit/8c8735a73afb16d5856f0aa6088e9ae406c52beb","tags":["x_refsource_CONFIRM","x_transferred","fix","web"]},{"url":"http://ubuntu.com/usn/usn-1438-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","web"]},{"url":"https://lists.launchpad.net/openstack/msg10268.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/75243","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079434.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://github.com/openstack/nova/commit/a67db4586f70ed881d65e80035b2a25be195ce64","tags":["x_refsource_CONFIRM","x_transferred","fix","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079551.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://secunia.com/advisories/49048","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"https://bugs.launchpad.net/nova/+bug/969545","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://secunia.com/advisories/49034","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-2101","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2012-36.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-hq3f-9gf7-73r8","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-2101","tags":["advisory"]},{"url":"https://github.com/openstack/nova","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2012-2101","description":"Openstack Compute (Nova) Folsom, 2012.1, and 2011.3 does not limit the number of security group rules, which allows remote authenticated users with certain permissions to cause a denial of service (CPU and hard drive consumption) via a network request that triggers a large number of iptables rules.","status":"published","published":"2012-06-07T19:00:00Z","modified":"2024-08-06T19:26:08.143Z","updated_at":"2026-11-02T14:34:49.937255Z"}],"euvd":[{"id":"EUVD-2012-0019","description":"Openstack Compute (Nova) Folsom, 2012.1, and 2011.3 does not limit the number of security group rules, which allows remote authenticated users with certain permissions to cause a denial of service (CPU and hard drive consumption) via a network request that triggers a large number of iptables rules.","status":"published","published":"2012-06-07T19:00:00Z","modified":"2024-08-06T19:26:08Z","updated_at":"2026-11-03T01:56:15.412642Z"}],"ghsa":[{"id":"GHSA-hq3f-9gf7-73r8","title":"Openstack Compute (Nova) Denial of service via network request that triggers large number of iptables rules","description":"Openstack Compute (Nova) Folsom, 2012.1, and 2011.3 does not limit the number of security group rules, which allows remote authenticated users with certain permissions to cause a denial of service (CPU and hard drive consumption) via a network request that triggers a large number of iptables rules.","status":"published","published":"2022-05-17T01:46:41Z","modified":"2024-11-22T18:05:27Z","updated_at":"2026-11-02T14:38:22.774145Z"}],"nvd":[{"id":"CVE-2012-2101","description":"Openstack Compute (Nova) Folsom, 2012.1, and 2011.3 does not limit the number of security group rules, which allows remote authenticated users with certain permissions to cause a denial of service (CPU and hard drive consumption) via a network request that triggers a large number of iptables rules.","status":"published","published":"2012-06-07T19:55:08.29Z","modified":"2026-06-16T23:40:59.513Z","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-264"],"updated_at":"2026-11-02T14:02:14.336529Z"}],"osv":[{"id":"CVE-2012-2101","description":"Openstack Compute (Nova) Folsom, 2012.1, and 2011.3 does not limit the number of security group rules, which allows remote authenticated users with certain permissions to cause a denial of service (CPU and hard drive consumption) via a network request that triggers a large number of iptables rules.","status":"published","published":"2012-06-07T19:55:08Z","modified":"2026-04-10T03:42:17.573824Z","updated_at":"2026-11-02T15:43:58.537032Z"},{"id":"DEBIAN-CVE-2012-2101","description":"Openstack Compute (Nova) Folsom, 2012.1, and 2011.3 does not limit the number of security group rules, which allows remote authenticated users with certain permissions to cause a denial of service (CPU and hard drive consumption) via a network request that triggers a large number of iptables rules.","status":"published","published":"2012-06-07T19:55:08.29Z","modified":"2026-10-23T17:47:25.869396826Z","updated_at":"2026-11-02T15:45:24.92418Z"},{"id":"GHSA-hq3f-9gf7-73r8","title":"Openstack Compute (Nova) Denial of service via network request that triggers large number of iptables rules","description":"Openstack Compute (Nova) Folsom, 2012.1, and 2011.3 does not limit the number of security group rules, which allows remote authenticated users with certain permissions to cause a denial of service (CPU and hard drive consumption) via a network request that triggers a large number of iptables rules.","status":"published","published":"2022-05-17T01:46:41Z","modified":"2024-11-22T18:05:26Z","updated_at":"2026-11-02T15:46:49.28217Z"},{"id":"PYSEC-2012-36","description":"Openstack Compute (Nova) Folsom, 2012.1, and 2011.3 does not limit the number of security group rules, which allows remote authenticated users with certain permissions to cause a denial of service (CPU and hard drive consumption) via a network request that triggers a large number of iptables rules.","status":"withdrawn","published":"2012-06-07T19:55:00Z","modified":"2026-06-10T17:02:25.767479886Z","updated_at":"2026-11-02T15:52:51.254177Z"}]}}