VulnerabilityModified
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.
MEDIUM 5.0EPSS 2.20%
Does this matter?
Lower severity and a low EPSS score (2.20%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
- EPSS
- 2.20% probability · 82th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-203
- Affected
- phildev/ipfilter
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.