5.0med

CVE-2002-0514

PF in OpenBSD 3.0 with the return-rst rule sets the TTL to 128 in the RST packet, which allows remote attackers to determine if a port is b…

Published 24 y ago · modified 4 mo ago · JSON

CVSS
5.0
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.0%
percentile 80%
Public exploits
0
none known

Summary

PF in OpenBSD 3.0 with the return-rst rule sets the TTL to 128 in the RST packet, which allows remote attackers to determine if a port is being filtered because the TTL is different than the default TTL.

Exploit prediction (EPSS)

1.97% probability of exploitation in the next 30 days, higher than 80% 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 /bid/4401 · vdb-entry, x_refsource_BID, x_transferred
  • securityfocus.com /archive/1/265188 · mailing-list, x_refsource_BUGTRAQ, 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.