CVE-1999-0063

Medium CVSS 5

Published 1999-01-11 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-1999-0063, 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

Cisco IOS 12.0 and other versions can be crashed by malicious UDP packets to the syslog port.

Sources

NVD record for CVE-1999-0063

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