CVE-2000-0380

High CVSS 7.1

Published 2000-04-26 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-2000-0380, 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

The IOS HTTP service in Cisco routers and switches running IOS 11.1 through 12.1 allows remote attackers to cause a denial of service by requesting a URL that contains a %% string.

Sources

NVD record for CVE-2000-0380

CVSS vector: AV:N/AC:M/Au:N/C:N/I:N/A:C