{"cve":"CVE-2011-3210","nvd":{"published":"2011-09-22T10:55:03.523","modified":"2026-06-16T23:32:53.130","status":"Modified","description":"The ephemeral ECDH ciphersuite functionality in OpenSSL 0.9.8 through 0.9.8r and 1.0.x before 1.0.0e does not ensure thread safety during processing of handshake messages from clients, which allows remote attackers to cause a denial of service (daemon crash) via out-of-order messages that violate the TLS protocol.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://cvs.openssl.org/chngview?cn=21337","http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html","http://marc.info/?l=bugtraq&m=132750648501816&w=2","http://marc.info/?l=bugtraq&m=133226187115472&w=2","http://openssl.org/news/secadv_20110906.txt"],"products":["openssl:openssl"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-3210","score":0.04561,"percentile":0.91601,"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."]}