CVE-2002-0515
UnknownEPSS 2.20%
Last modified
CVE-2002-0515 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.20% chance of exploitation in the next 30 days.
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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Phildev | Ipfilter | <= 3.4.25 |
References
- http://www.iss.net/security_center/static/8738.phpBroken Link, Vendor Advisory
- http://www.securityfocus.com/archive/1/265188Broken Link, Third Party Advisory, VDB Entry, Vendor Advisory
- http://www.securityfocus.com/bid/4403Broken Link, Exploit, Third Party Advisory, VDB Entry, Vendor Advisory
- http://www.iss.net/security_center/static/8738.phpBroken Link, Vendor Advisory
- http://www.securityfocus.com/archive/1/265188Broken Link, Third Party Advisory, VDB Entry, Vendor Advisory
- http://www.securityfocus.com/bid/4403Broken Link, Exploit, Third Party Advisory, VDB Entry, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2002-0515?
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.
How severe is CVE-2002-0515?
Severity scoring for CVE-2002-0515 is pending analysis. The EPSS model estimates a 2.20% probability of exploitation in the next 30 days.
How do I fix CVE-2002-0515?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2002-0515?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST