CVE-1999-0994

high

Description

Windows NT with SYSKEY reuses the keystream that is used for encrypting SAM password hashes, allowing an attacker to crack passwords.

References

Advisories
More

https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-056

http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ248183

http://www.securityfocus.com/bid/873

Details

Source: Mitre, NVD

Published: 1999-12-16

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: High

EPSS

EPSS: 0.07194