{"cve":"CVE-2012-3371","nvd":{"published":"2012-07-17T21:55:02.350","modified":"2026-06-16T23:43:05.680","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://www.openwall.com/lists/oss-security/2012/07/11/13","http://www.securityfocus.com/bid/54388","http://www.ubuntu.com/usn/USN-1501-1","https://bugs.launchpad.net/nova/+bug/1017795","https://github.com/openstack/nova/commit/034762e8060dcf0a11cb039b9d426b0d0bb1801d"],"products":["openstack:compute","openstack:essex","openstack:folsom"],"source":"nvd","synced_at":"2026-10-19T20:24:00.973572543+00:00"},"epss":{"cve":"CVE-2012-3371","score":0.01862,"percentile":0.79254,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-xxgm-qpj5-4886","url":"https://osv.dev/vulnerability/GHSA-xxgm-qpj5-4886","summary":"OpenStack Nova Scheduler denial of service through scheduler_hints","modified":"2024-11-22T18:08:36Z","packages":[{"ecosystem":"PyPI","name":"nova","purl":"pkg:pypi/nova","ranges":["<12.0.0a0"],"fixed":["12.0.0a0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}