CVE-1999-0391

CVSS 2.0 Score 7.5 of 10 (high)

Details

Published Jan 5, 1999
Updated: Nov 20, 2024

Summary

CVE-1999-0391 is a vulnerability affecting the SMB authentication process in Windows 95 and Windows 98. An attacker can exploit this issue by reusing the cryptographic challenge during authentication. This enables the attacker to impersonate a legitimate user by replaying the response, potentially gaining unauthorized access to the system or sensitive data. This vulnerability poses a significant risk to organizations and individuals using these outdated operating systems and highlights the importance of keeping software up-to-date with the latest security patches.

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Affected Products

  • Microsoft Windows NT
  • Microsoft Windows 2000

Affected Vendors

  • Microsoft