CVE-2004-0162: Multiple content security gateway and antivirus products allow remote attackers to bypass content restricti...

Security readout for executives and security teams

This CVE describes an email filtering bypass. Specially formatted MIME email using RFC822 comment fields could pass through some content security gateways or antivirus products, then be interpreted differently by mail clients. The provided bundle does not identify specific affected products. Exposure is most likely in legacy email security gateways, content filters, and antivirus mail scanners that parse MIME differently from downstream mail clients. The source bundle lists affected vendor and product values as n/a, so product-level exposure cannot be confirmed here. Treat this as a legacy email-security validation item, not an emergency based on the provided evidence. Priority rises if unsupported mail filtering products remain in production or if vendor advisories confirm exposure. Mitigation focus: Check vendor advisories for any affected mail gateway or antivirus product still deployed.; Confirm MIME parsing and content filtering engines are updated and supported.; Review mail security policies for nested or malformed MIME handling..

Prepared

Jun 30, 2026, 02:43 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.