Home/CVE/The cryptographic challenge of SMB authentication in Windows 95 and Windows 98 can be reused, allowing an attacker to re
CVE

CVE-1999-0391

The cryptographic challenge of SMB authentication in Windows 95 and Windows 98 can be reused, allowing an attacker to re

The cryptographic challenge of SMB authentication in Windows 95 and Windows 98 can be reused, allowing an attacker to replay the response and impersonate a user.

HIGH · CVSS 7.5 EPSS 0.04499
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
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Affected Products & Versions

3
microsoft terminal serverall versions
microsoft windows 2000all versions
microsoft windows ntall versions
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighTerminal Server Client Connection History Cleared - Registry
productmediumWow6432Node Windows NT CurrentVersion Autorun Keys Modification
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Scoring & Timeline

7.5
HIGH · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published to NVD05 Jan 1999 · 05:00 AM
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://marc.info/?l=bugtraq&m=91552769809542&w=2
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