{"cve":"CVE-2013-4179","nvd":{"published":"2013-09-16T19:14:38.537","modified":"2026-06-16T23:56:45.987","status":"Modified","description":"The security group extension in OpenStack Compute (Nova) Grizzly 2013.1.3, Havana before havana-3, and earlier allows remote attackers to cause a denial of service (resource consumption and crash) via an XML Entity Expansion (XEE) attack.  NOTE: this issue is due to an incomplete fix for CVE-2013-1664.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://rhn.redhat.com/errata/RHSA-2013-1199.html","http://www.ubuntu.com/usn/USN-2005-1","https://bugs.launchpad.net/ossa/+bug/1190229","http://rhn.redhat.com/errata/RHSA-2013-1199.html","http://www.ubuntu.com/usn/USN-2005-1"],"products":["openstack:compute","openstack:havana"],"source":"nvd","synced_at":"2026-10-19T20:29:16.037019470+00:00"},"epss":{"cve":"CVE-2013-4179","score":0.02725,"percentile":0.86058,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-j6xh-q826-55jw","url":"https://osv.dev/vulnerability/GHSA-j6xh-q826-55jw","summary":"OpenStack Compute (Nova) vulnerable to denial of service via XML Entity Expansion attack","modified":"2026-09-10T03:49:38.935217369Z","packages":[{"ecosystem":"PyPI","name":"nova","purl":"pkg:pypi/nova","ranges":["<2013.2"],"fixed":["2013.2"]}]},{"id":"PYSEC-2026-875","url":"https://osv.dev/vulnerability/PYSEC-2026-875","summary":"OpenStack Compute (Nova) vulnerable to denial of service via XML Entity Expansion attack","modified":"2026-07-07T11:45:48.805422700Z","packages":[{"ecosystem":"PyPI","name":"nova","purl":"pkg:pypi/nova","ranges":["<2013.2"],"fixed":["2013.2"]}]}],"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."]}