{"id":"CVE-2002-0514","aliases":["EUVD-2002-0510","GHSA-vqq4-v6w9-fvx4"],"status":"published","title":"PF in OpenBSD 3.0 with the return-rst rule sets the TTL to 128 in the RST packet, which allows...","description":"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.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0197,"percentile":0.80543,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-203"],"published":"2002-06-11T04:00:00Z","modified":"2026-06-16T21:57:35Z","products":[{"vendor":"openbsd","product":"openbsd"}],"references":[{"url":"http://www.securityfocus.com/bid/4401","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Exploit","Third Party Advisory","VDB Entry","Vendor Advisory"]},{"url":"http://www.securityfocus.com/archive/1/265188","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Broken Link","Third Party Advisory","VDB Entry","Vendor Advisory"]},{"url":"http://www.iss.net/security_center/static/8738.php","tags":["vdb-entry","x_refsource_XF","x_transferred","Broken Link","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-0514"},{"url":"https://github.com/advisories/GHSA-vqq4-v6w9-fvx4"}],"sources":{"cve":[{"id":"CVE-2002-0514","description":"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.","status":"published","published":"2002-06-11T04:00:00Z","modified":"2024-08-08T02:49:28.794Z","updated_at":"2026-11-02T14:33:55.303902Z"}],"euvd":[{"id":"EUVD-2002-0510","description":"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.","status":"published","published":"2002-06-11T04:00:00Z","modified":"2024-08-08T02:49:28Z","updated_at":"2026-11-03T01:15:00.542292Z"}],"ghsa":[{"id":"GHSA-vqq4-v6w9-fvx4","title":"PF in OpenBSD 3.0 with the return-rst rule sets the TTL to 128 in the RST packet, which allows...","description":"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.","status":"published","published":"2022-04-30T18:19:22Z","modified":"2025-04-03T03:47:13Z","cwes":["CWE-203"],"updated_at":"2026-11-02T15:00:37.983289Z"}],"nvd":[{"id":"CVE-2002-0514","description":"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.","status":"published","published":"2002-08-12T04:00:00Z","modified":"2026-06-16T21:57:35.44Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:00:42.220505Z"}]}}