{"schemaVersion":3,"id":"CVE-2012-3371","aliases":["GHSA-xxgm-qpj5-4886","PYSEC-2012-40","DEBIAN-CVE-2012-3371"],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2012-07-17T21:00:00.000Z","modified":"2024-08-06T20:05:12.113Z","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":0.01862,"percentile":0.78941,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.01862},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01862,"percentile":0.78941}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01862,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01862,"percentile":0.78941}]},"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":[{"id":"GITHUB_OPENSTACK_NOVA","name":"Nova","source":"github","url":"https://github.com/openstack/nova/commit/9f9e9da777161426a6f8cb4314b78e09beac2978","maturity":"poc","reliabilityScore":0.3,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"REF_49A040531220ABD4","name":"Exploit Reference (bugs.launchpad.net)","source":"reference","url":"https://bugs.launchpad.net/nova/+bug/1017795","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":2,"weaknesses":[{"id":"CWE-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"}],"affected":[{"vendor":"debian","product":"nova","name":"nova","label":"nova","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/nova","purlType":"deb","versions":[{"text":"< 2012.1.1-5","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2012.1.1-5","eol":null,"hubHref":null},{"vendor":"openstack","product":"compute","name":"compute","label":"compute","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2012.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"2012.2","eol":null,"hubHref":"/vendor/openstack/compute"},{"vendor":"openstack","product":"essex","name":"essex","label":"essex","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2012.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"2012.1","eol":null,"hubHref":"/vendor/openstack/essex"},{"vendor":"openstack","product":"folsom","name":"folsom","label":"folsom","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2012.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"2012.2","eol":null,"hubHref":"/vendor/openstack/folsom"},{"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":"< 034762e8060dcf0a11cb039b9d426b0d0bb1801d","noFixRecorded":false,"fixedIn":null},{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"< 12.0.0a0 | < 034762e8060dcf0a11cb039b9d426b0d0bb1801d | All versions (No fix recorded)","eol":null,"hubHref":null}],"affectedCount":5,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.securityfocus.com/bid/54388","label":"www.securityfocus.com/bid/54388","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","WEB"]},{"url":"https://lists.launchpad.net/openstack/msg14452.html","label":"lists.launchpad.net/openstack/msg14452.html","hostname":"lists.launchpad.net","tags":["Mailing List","X Refsource MLIST","WEB"]},{"url":"https://bugs.launchpad.net/nova/+bug/1017795","label":"bugs.launchpad.net/nova/+bug/1017795","hostname":"bugs.launchpad.net","tags":["X Refsource CONFIRM","Exploit","WEB","EVIDENCE"]},{"url":"http://www.openwall.com/lists/oss-security/2012/07/11/13","label":"www.openwall.com/lists/oss-security/2012/07/11/13","hostname":"www.openwall.com","tags":["Mailing List","X Refsource MLIST","WEB"]},{"url":"http://www.ubuntu.com/usn/USN-1501-1","label":"www.ubuntu.com/usn/USN-1501-1","hostname":"www.ubuntu.com","tags":["Vendor Advisory","X Refsource UBUNTU","WEB","Advisory"]},{"url":"https://github.com/openstack/nova/commit/034762e8060dcf0a11cb039b9d426b0d0bb1801d","label":"github.com/openstack/nova/commit/034762e8060dcf0a11cb039b9d426b0d0bb1801d","hostname":"github.com","tags":["X Refsource CONFIRM","Exploit","Patch","WEB","EVIDENCE","FIX"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-3371","label":"nvd.nist.gov/vuln/detail/CVE-2012-3371","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-2012-40.yaml","label":"github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2012-40.yaml","hostname":"github.com","tags":["WEB"]},{"url":"https://github.com/advisories/GHSA-xxgm-qpj5-4886","label":"github.com/advisories/GHSA-xxgm-qpj5-4886","hostname":"github.com","tags":["Advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-3371","label":"security-tracker.debian.org/tracker/CVE-2012-3371","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2012-07-17T21:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T20:05:12.113Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":24,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T21:34:22.180Z","stale":false,"partial":false}}