CVE-1999-1266

Medium CVSS 5

Published 1997-06-13 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-1999-1266, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

rsh daemon (rshd) generates different error messages when a valid username is provided versus an invalid name, which allows remote attackers to determine valid users on the system.

Sources

NVD record for CVE-1999-1266

CVSS vector: AV:N/AC:L/Au:N/C:P/I:N/A:N