CVE-2002-0515

NONECVSS 0.0

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 84.3%
KEV: Not listed

Published

August 12, 2002

Last Modified

April 16, 2026

References (6)

cve@mitrehttp://www.iss.net/security_center/static/8738.php
cve@mitrehttp://www.securityfocus.com/archive/1/265188
cve@mitrehttp://www.securityfocus.com/bid/4403
af854a3a-2127-422b-91ae-364da2661108http://www.iss.net/security_center/static/8738.php
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/265188
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/4403

Data Freshness Timeline

(refreshed 12× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(4)

What is CVE-2002-0515?

CVE-2002-0515 is a none vulnerability published on August 12, 2002. 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.

When was CVE-2002-0515 disclosed?

CVE-2002-0515 was first published in the National Vulnerability Database on August 12, 2002, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2002-0515 actively exploited?

CVE-2002-0515 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 84.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2002-0515?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2002-0515, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2002-0515

Explore →

Is Your Infrastructure Affected by CVE-2002-0515?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2002-0515

📅 Published

🔄 Last Modified

🔗 References (6)