{"cve":"CVE-2014-1520","nvd":{"published":"2014-04-30T10:49:04.753","modified":"2026-06-17T00:05:03.633","status":"Modified","description":"maintenservice_installer.exe in the Maintenance Service Installer in Mozilla Firefox before 29.0 and Firefox ESR 24.x before 24.5 on Windows allows local users to gain privileges by placing a Trojan horse DLL file into a temporary directory at an unspecified point in the update process.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-269"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132332.html","http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132437.html","http://packetstormsecurity.com/files/161696/Mozilla-Arbitrary-Code-Execution-Privilege-Escalation.html","http://seclists.org/fulldisclosure/2021/Mar/14","http://secunia.com/advisories/59866"],"products":["fedoraproject:fedora","mozilla:firefox"],"source":"nvd","synced_at":"2026-10-19T20:32:06.812358378+00:00"},"epss":{"cve":"CVE-2014-1520","score":0.00408,"percentile":0.3512,"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."]}