CVE-2011-2159: The SmarterTools SmarterStats 6.0 web server omits the Content-Type header for certain resources, which mig...

Security readout for executives and security teams

SmarterStats 6.0 may serve some files without a Content-Type header. That can make browsers or clients interpret the same response differently, creating an unspecified security impact. The public record does not confirm severity, exploitation, affected versions beyond the description, or a fixed release. Exposure is most plausible where SmarterTools SmarterStats 6.0 or related web resources are reachable, especially from the internet. The source bundle lists affected vendor/product as n/a and explicitly cautions that only clients may be affected, so asset validation is required. Treat this as a targeted legacy exposure check, not an emergency. Prioritize if SmarterStats 6.0 is internet-facing, handles sensitive reporting data, or remains unsupported. The uncertainty around impact argues for validation and cleanup rather than broad incident response. Mitigation focus: Inventory any SmarterStats 6.0 deployments and publicly reachable listed paths.; Check SmarterTools and CERT guidance for supported fixes or configuration advice.; Restrict public access to administrative SmarterStats paths where business requirements allow..

Prepared

Jun 28, 2026, 01:17 UTC (UTC+00:00)

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