CVE-1999-1421

Medium CVSS 6.4

Published 1998-07-20 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-1999-1421, 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

NBase switches NH208 and NH215 run a TFTP server which allows remote attackers to send software updates to modify the switch or cause a denial of service (crash) by guessing the target filenames, which have default names.

Sources

NVD record for CVE-1999-1421

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