{"cve":"CVE-2015-3204","nvd":{"published":"2015-07-01T14:59:08.627","modified":"2026-06-17T00:25:32.060","status":"Modified","description":"libreswan 3.9 through 3.12 allows remote attackers to cause a denial of service (daemon restart) via an IKEv1 packet with (1) unassigned bits set in the IPSEC DOI value or (2) the next payload value set to ISAKMP_NEXT_SAK.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://rhn.redhat.com/errata/RHSA-2015-1154.html","http://www.securityfocus.com/bid/75392","https://libreswan.org/security/CVE-2015-3204/CVE-2015-3204.txt","https://security.gentoo.org/glsa/201603-13","http://rhn.redhat.com/errata/RHSA-2015-1154.html"],"products":["libreswan:libreswan"],"source":"nvd","synced_at":"2026-10-19T20:36:40.444340523+00:00"},"epss":{"cve":"CVE-2015-3204","score":0.02598,"percentile":0.85339,"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."]}