{"cve":"CVE-2010-2242","nvd":{"published":"2010-08-19T18:00:03.670","modified":"2026-06-16T23:20:22.253","status":"Modified","description":"Red Hat libvirt 0.2.0 through 0.8.2 creates iptables rules with improper mappings of privileged source ports, which allows guest OS users to bypass intended access restrictions by leveraging IP address and source-port values, as demonstrated by copying and deleting an NFS directory tree.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://libvirt.org/news.html","http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044520.html","http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044579.html","http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html","http://ubuntu.com/usn/usn-1008-1"],"products":["libvirt:libvirt"],"source":"nvd","synced_at":"2026-10-19T19:56:26.512081652+00:00"},"epss":{"cve":"CVE-2010-2242","score":0.00423,"percentile":0.36663,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}