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TI-2002-00500 Aliases CVE-2002-0515GHSA-x74c-jx25-vjp6

IPFilter 3.4.25 and earlier sets a different TTL when a port is being filtered than when…

Priority LOW 27CWE-203Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Partial · None · None
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-203.

Summary

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.

Why it matters now

EPSS 0.02197 82nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:phildev:ipfilter:*:*:*:*:*:*:*:*up to 3.4.25VulnerablePhildev
  • cpe:2.3:a:phildev:ipfilter:*:*:*:*:*:*:*:* Versions up to 3.4.25 Vulnerable ·Phildev

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2002-0515
  2. 2026-10-03 Alias added: GHSA-x74c-jx25-vjp6

References

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences