{"cve":"CVE-2012-5642","nvd":{"published":"2012-12-31T11:50:27.890","modified":"2026-06-16T23:47:08.527","status":"Modified","description":"server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag, which might allow remote attackers to trigger unsafe behavior in a custom action file via unspecified symbols in this content.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://lists.opensuse.org/opensuse-updates/2013-04/msg00001.html","http://lists.opensuse.org/opensuse-updates/2013-04/msg00002.html","http://sourceforge.net/mailarchive/message.php?msg_id=30193056","http://www.mandriva.com/security/advisories?name=MDVSA-2013:078","http://www.openwall.com/lists/oss-security/2012/12/17/2"],"products":["fail2ban:fail2ban"],"source":"nvd","synced_at":"2026-10-19T20:27:27.940201468+00:00"},"epss":{"cve":"CVE-2012-5642","score":0.03123,"percentile":0.8785,"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."]}