{"cve":"CVE-2002-0514","nvd":{"published":"2002-08-12T04:00:00.000","modified":"2026-06-16T21:57:35.440","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-203"],"references":["http://www.iss.net/security_center/static/8738.php","http://www.securityfocus.com/archive/1/265188","http://www.securityfocus.com/bid/4401","http://www.iss.net/security_center/static/8738.php","http://www.securityfocus.com/archive/1/265188"],"products":["openbsd:openbsd"],"source":"nvd","synced_at":"2026-10-19T19:34:38.930894741+00:00"},"epss":{"cve":"CVE-2002-0514","score":0.0197,"percentile":0.80408,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}