{"id":"CVE-2012-2101","aliases":["GHSA-hq3f-9gf7-73r8"],"url":"https://o3.security/vulnerability/CVE-2012-2101","summary":"Openstack Compute (Nova) Denial of service via network request that triggers large number of iptables rules","details":"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.","published":"2012-06-07T19:55:08Z","modified":"2026-04-10T03:42:17.573824Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"nova","fixedVersion":"12.0.0a0"}],"fix":{"url":"https://github.com/openstack/nova/commit/1f644d210557b1254f7c7b39424b09a45329ade7","label":"openstack/nova@1f644d2"},"references":[{"type":"ADVISORY","url":"http://secunia.com/advisories/49034"},{"type":"ADVISORY","url":"http://secunia.com/advisories/49048"},{"type":"FIX","url":"https://github.com/openstack/nova/commit/1f644d210557b1254f7c7b39424b09a45329ade7"},{"type":"FIX","url":"https://github.com/openstack/nova/commit/8c8735a73afb16d5856f0aa6088e9ae406c52beb"},{"type":"FIX","url":"https://github.com/openstack/nova/commit/a67db4586f70ed881d65e80035b2a25be195ce64"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079434.html"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079551.html"},{"type":"WEB","url":"http://ubuntu.com/usn/usn-1438-1"},{"type":"WEB","url":"http://www.osvdb.org/81641"},{"type":"WEB","url":"https://bugs.launchpad.net/nova/+bug/969545"},{"type":"WEB","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/75243"},{"type":"WEB","url":"https://lists.launchpad.net/openstack/msg10268.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-10T03:42:17.573824Z"}}