{"cve":"CVE-2012-4999","nvd":{"published":"2012-09-19T19:55:08.607","modified":"2026-06-16T23:46:02.890","status":"Modified","description":"Mercury MR804 Router 8.0 3.8.1 Build 101220 Rel.53006nB allows remote attackers to cause a denial of service (service hang) via a crafted string in HTTP header fields such as (1) If-Modified-Since, (2) If-None-Match, or (3) If-Unmodified-Since.  NOTE: some of these details are obtained from third party information.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://archives.neohapsis.com/archives/bugtraq/2012-02/0116.html","http://secunia.com/advisories/48079","http://www.securityfocus.com/bid/52106","https://exchange.xforce.ibmcloud.com/vulnerabilities/73383","http://archives.neohapsis.com/archives/bugtraq/2012-02/0116.html"],"products":["mercurycom:mr804","mercurycom:mr804_firmware"],"source":"nvd","synced_at":"2026-10-19T20:25:53.526315492+00:00"},"epss":{"cve":"CVE-2012-4999","score":0.06558,"percentile":0.93814,"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."]}