{"cve":"CVE-2005-3370","nvd":{"published":"2005-10-30T14:34:00.000","modified":"2026-06-16T22:16:49.840","status":"Modified","description":"Multiple interpretation error in ArcaVir 2005 package 2005-06-21 allows remote attackers to bypass virus scanning via a file such as BAT, HTML, and EML with an \"MZ\" magic byte sequence which is normally associated with EXE, which causes the file to be treated as a safe type that could still be executed as a dangerous file type by applications on the end system, as demonstrated by a \"triple headed\" program that contains EXE, EML, and HTML content, aka the \"magic byte bug.\"","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://marc.info/?l=bugtraq&m=113026417802703&w=2","http://www.securityelf.org/magicbyte.html","http://www.securityelf.org/magicbyteadv.html","http://www.securityelf.org/updmagic.html","http://www.securityfocus.com/bid/15189"],"products":["arcavir:arcavir_2005"],"source":"nvd","synced_at":"2026-10-19T19:39:29.870204089+00:00"},"epss":{"cve":"CVE-2005-3370","score":0.01352,"percentile":0.71556,"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."]}