CVE-2000-0553

Low CVSS 2.6

Published 2000-05-26 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-2000-0553, 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

Race condition in IPFilter firewall 3.4.3 and earlier, when configured with overlapping "return-rst" and "keep state" rules, allows remote attackers to bypass access restrictions.

Sources

NVD record for CVE-2000-0553

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