CVE-2007-6340: Geert Moernaut LSrunasE 1.0 and Supercrypt 1.0 use the RC4 stream cipher without constructing a unique init...

Security readout for executives and security teams

This older flaw affects Geert Moernaut LSrunasE 1.0 and Supercrypt 1.0. They used RC4 without a unique initialization vector, weakening password protection. A local user could more easily recover cleartext passwords protected by these tools. The main business concern is credential exposure on systems where these utilities remain installed or where old encrypted secrets remain trusted. Exposure is most likely on legacy Windows systems or administrative workflows that still use LSrunasE 1.0 or Supercrypt 1.0 to protect passwords. Evidence for affected versions is limited to the named 1.0 releases in the CVE description and title. Treat as a legacy credential-exposure issue. It is not presented as an active internet-scale emergency, but any remaining deployment protecting privileged passwords deserves prompt retirement, credential review, and password rotation planning. Mitigation focus: Inventory systems for LSrunasE 1.0 and Supercrypt 1.0 usage.; Check vendor or archived vendor guidance for replacement or remediation advice.; Retire affected tools where possible and use supported credential-management mechanisms..

Prepared

Jun 28, 2026, 19:27 UTC (UTC+00:00)

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