{"cve":"CVE-2012-3973","nvd":{"published":"2012-08-29T10:56:41.037","modified":"2026-06-16T23:44:10.630","status":"Modified","description":"The debugger in the developer-tools subsystem in Mozilla Firefox before 15.0, when remote debugging is disabled, does not properly restrict access to the remote-debugging service, which allows remote attackers to execute arbitrary code by leveraging the presence of the HTTPMonitor extension and connecting to that service through the HTTPMonitor port.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00028.html","http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00011.html","http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00014.html","http://osvdb.org/85005","http://www.mozilla.org/security/announce/2012/mfsa2012-66.html"],"products":["mozilla:firefox"],"source":"nvd","synced_at":"2026-10-19T20:25:53.526315492+00:00"},"epss":{"cve":"CVE-2012-3973","score":0.04931,"percentile":0.92137,"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."]}