CVE-2002-0515

MediumCVSS 5.0/10Last modified Jun 16, 2026

Description

IPFilter 3.4.25 and earlier sets a different TTL when a port is being filtered than when it is not being filtered, which allows remote attackers to identify filtered ports by comparing TTLs.

Metrics

CVSS 2.0 5.0/10AV:N/AC:L/Au:N/C:P/I:N/A:N

Weakness enumeration

CWE-203

Affected software

No affected versions have been published.

Timeline

Published
Aug 12, 2002
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2002-0515: Medium severity, CVSS 5.0 | Vulnix