5.0med

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 atta…

Published 24 y ago · modified 4 mo ago · JSON

CVSS
5.0
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.2%
percentile 83%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

2.20% probability of exploitation in the next 30 days, higher than 83% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.05.0AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness

References

  • securityfocus.com /archive/1/265188 · mailing-list, x_refsource_BUGTRAQ, x_transferred
  • securityfocus.com /bid/4403 · vdb-entry, x_refsource_BID, x_transferred
  • iss.net /security_center/static/8738.php · vdb-entry, x_refsource_XF, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.