{"cve":"CVE-2016-2181","nvd":{"published":"2016-09-16T05:59:01.347","modified":"2026-06-17T00:43:36.440","status":"Modified","description":"The Anti-Replay feature in the DTLS implementation in OpenSSL before 1.1.0 mishandles early use of a new epoch number in conjunction with a large sequence number, which allows remote attackers to cause a denial of service (false-positive packet drops) via spoofed DTLS records, related to rec_layer_d1.c and ssl3_record.c.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-189"],"references":["http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759","http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.html","http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html","http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html","http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html"],"products":["openssl:openssl","oracle:linux"],"source":"nvd","synced_at":"2026-10-19T20:40:10.783210791+00:00"},"epss":{"cve":"CVE-2016-2181","score":0.22634,"percentile":0.97721,"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."]}