CVE-1999-1216

High CVSS 7.5

Published 1993-04-22 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-1999-1216, 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 routers 9.17 and earlier allow remote attackers to bypass security restrictions via certain IP source routed packets that should normally be denied using the "no ip source-route" command.

Sources

NVD record for CVE-1999-1216

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