{"cve":"CVE-2016-0701","nvd":{"published":"2016-02-15T02:59:18.013","modified":"2026-06-17T00:38:02.627","status":"Modified","description":"The DH_check_pub_key function in crypto/dh/dh_check.c in OpenSSL 1.0.2 before 1.0.2f does not ensure that prime numbers are appropriate for Diffie-Hellman (DH) key exchange, which makes it easier for remote attackers to discover a private DH exponent by making multiple handshakes with a peer that chose an inappropriate number, as demonstrated by a number in an X9.42 file.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","score":3.7},"cwes":["CWE-200"],"references":["http://intothesymmetry.blogspot.com/2016/01/openssl-key-recovery-attack-on-dh-small.html","http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759","http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176373.html","http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html","http://www.openssl.org/news/secadv/20160128.txt"],"products":["openssl:openssl"],"source":"nvd","synced_at":"2026-10-19T20:37:48.328043465+00:00"},"epss":{"cve":"CVE-2016-0701","score":0.83645,"percentile":0.99687,"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."]}