{"schemaVersion":3,"id":"CVE-2012-2101","aliases":["GHSA-hq3f-9gf7-73r8","PYSEC-2012-36","DEBIAN-CVE-2012-2101"],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2012-06-07T19:00:00.000Z","modified":"2024-08-06T19:26:08.143Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":3.5,"severity":"low","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:M/Au:S/C:N/I:N/A:P","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":3.5,"severity":"low","vector":"AV:N/AC:M/Au:S/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01463,"percentile":0.73263,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":-0.017,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.0148},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01463,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01463,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01463,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01463,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01463,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01463,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01463,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01463,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01463,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01463,"percentile":0.73263}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0148,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01463,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01463,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01463,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01463,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01463,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01463,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01463,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01463,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01463,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01463,"percentile":0.73263}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-264","name":"Permissions, Privileges, and Access Controls","description":"Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.","type":"category","status":"Obsolete","abstraction":null,"likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/264.html"}],"affected":[{"vendor":"debian","product":"nova","name":"nova","label":"nova","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/nova","purlType":"deb","versions":[{"text":"< 2012.1-2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2012.1-2","eol":null,"hubHref":null},{"vendor":"openstack","product":"nova","name":"nova","label":"nova","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2011.3","noFixRecorded":false,"fixedIn":null},{"text":"2012.1","noFixRecorded":false,"fixedIn":null},{"text":"folsom","noFixRecorded":false,"fixedIn":null}],"versionsText":"2011.3 | 2012.1 | folsom","eol":null,"hubHref":"/vendor/openstack/nova"},{"vendor":"PyPI","product":"nova","name":"nova","label":"nova","ecosystem":"PyPI","cpePart":null,"purl":"pkg:pypi/nova","purlType":"pypi","versions":[{"text":"< 12.0.0a0","noFixRecorded":false,"fixedIn":null},{"text":"< 1f644d210557b1254f7c7b39424b09a45329ade7","noFixRecorded":false,"fixedIn":null},{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"< 12.0.0a0 | < 1f644d210557b1254f7c7b39424b09a45329ade7 | All versions (No fix recorded)","eol":null,"hubHref":null}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/openstack/nova/commit/1f644d210557b1254f7c7b39424b09a45329ade7","label":"github.com/openstack/nova/commit/1f644d210557b1254f7c7b39424b09a45329ade7","hostname":"github.com","tags":["X Refsource CONFIRM","WEB","FIX"]},{"url":"http://www.osvdb.org/81641","label":"www.osvdb.org/81641","hostname":"www.osvdb.org","tags":["VDB Entry","X Refsource OSVDB","WEB"]},{"url":"https://github.com/openstack/nova/commit/8c8735a73afb16d5856f0aa6088e9ae406c52beb","label":"github.com/openstack/nova/commit/8c8735a73afb16d5856f0aa6088e9ae406c52beb","hostname":"github.com","tags":["X Refsource CONFIRM","WEB","FIX"]},{"url":"http://ubuntu.com/usn/usn-1438-1","label":"ubuntu.com/usn/usn-1438-1","hostname":"ubuntu.com","tags":["Vendor Advisory","X Refsource UBUNTU","WEB"]},{"url":"https://lists.launchpad.net/openstack/msg10268.html","label":"lists.launchpad.net/openstack/msg10268.html","hostname":"lists.launchpad.net","tags":["Mailing List","X Refsource MLIST","WEB"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/75243","label":"exchange.xforce.ibmcloud.com/vulnerabilities/75243","hostname":"exchange.xforce.ibmcloud.com","tags":["VDB Entry","X Refsource XF","WEB"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079434.html","label":"lists.fedoraproject.org/pipermail/package-announce/2012-May/079434.html","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA","WEB"]},{"url":"https://github.com/openstack/nova/commit/a67db4586f70ed881d65e80035b2a25be195ce64","label":"github.com/openstack/nova/commit/a67db4586f70ed881d65e80035b2a25be195ce64","hostname":"github.com","tags":["X Refsource CONFIRM","WEB","FIX"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079551.html","label":"lists.fedoraproject.org/pipermail/package-announce/2012-May/079551.html","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA","WEB"]},{"url":"http://secunia.com/advisories/49048","label":"secunia.com/advisories/49048","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Vendor Advisory","Advisory"]},{"url":"https://bugs.launchpad.net/nova/+bug/969545","label":"bugs.launchpad.net/nova/+bug/969545","hostname":"bugs.launchpad.net","tags":["X Refsource CONFIRM","WEB"]},{"url":"http://secunia.com/advisories/49034","label":"secunia.com/advisories/49034","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Vendor Advisory","Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-2101","label":"nvd.nist.gov/vuln/detail/CVE-2012-2101","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/openstack/nova","label":"github.com/openstack/nova","hostname":"github.com","tags":["PACKAGE"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2012-36.yaml","label":"github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2012-36.yaml","hostname":"github.com","tags":["WEB"]},{"url":"https://github.com/advisories/GHSA-hq3f-9gf7-73r8","label":"github.com/advisories/GHSA-hq3f-9gf7-73r8","hostname":"github.com","tags":["Advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-2101","label":"security-tracker.debian.org/tracker/CVE-2012-2101","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2012-06-07T19:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T19:26:08.143Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":14,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T17:56:17.150Z","stale":false,"partial":false}}