CVE-1999-1559

Medium CVSS 5

Published 1999-03-31 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-1999-1559, 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

Xylan OmniSwitch before 3.2.6 allows remote attackers to bypass the login prompt via a CTRL-D (control d) character, which locks other users out of the switch because it only supports one session at a time.

Sources

NVD record for CVE-1999-1559

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