Cross-protocol attack on TLS using SSLv2 (DROWN Vulnerability) (CVE-2016-0800) This is a security advisory on the DROWN Attack (CVE-2016-0800). What is DROWN Attack (CVE-2016-0800). DROWN, stands for "Decrypting RSA with Obsolete and Weakened eNcryption", is a serious vulnerability that