CVE-2017-3599

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Pluggable Auth). Supported versions that are affected are 5.6.35 and earlier and 5.7.17 and earlier. Easily "exploitable" vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). NOTE: the previous information is from the April 2017 CPU. Oracle has not commented on third-party claims that this issue is an integer overflow in sql/auth/sql_authentication.cc which allows remote attackers to cause a denial of service via a crafted authentication packet.

• CWE-190

• http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.htmlPatch, Vendor Advisory
• http://www.securityfocus.com/bid/97754Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1038287Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2017:2787Third Party Advisory
• https://access.redhat.com/errata/RHSA-2017:2886Third Party Advisory
• https://www.exploit-db.com/exploits/41954/Third Party Advisory, VDB Entry
• https://www.secforce.com/blog/2017/04/cve-2017-3599-pre-auth-mysql-remote-dos/Exploit, Third Party Advisory
• http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.htmlPatch, Vendor Advisory
• http://www.securityfocus.com/bid/97754Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1038287Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2017:2787Third Party Advisory
• https://access.redhat.com/errata/RHSA-2017:2886Third Party Advisory
• https://www.exploit-db.com/exploits/41954/Third Party Advisory, VDB Entry
• https://www.secforce.com/blog/2017/04/cve-2017-3599-pre-auth-mysql-remote-dos/Exploit, Third Party Advisory

Published

Apr 24, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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