CVE-1999-0391 describes a critical vulnerability in Windows 95, 98, NT, and 2000 where the SMB authentication challenge could be reused. This allowed an attacker to replay a legitimate authentication response, effectively impersonating a user. With a CVSS score of 7.5 (HIGH), this flaw had a low attack complexity and could lead to compromise of confidentiality, integrity, and availability. While no exploit intelligence or community discussion is noted, and it's not on the KEV catalog, the nature of the vulnerability indicates a significant risk if exploited.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:a:microsoft:terminal_server:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:* | ||
3.5.1CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_nt:3.5.1:sp1:*:*:*:*:*:* | ||
3.5.1CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_nt:3.5.1:sp2:*:*:*:*:*:* | ||
3.5.1CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_nt:3.5.1:sp3:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.