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.
Conclusion & alert: CVE-2017-3599 is rated High Exploit Risk (82.5/100): CVSS High severity, with high exploitation likelihood (EPSS 89.92%, 100th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.59% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 41954 | exploit_db | edb | 2017-05-01 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 87.34% | 89.92% | +2.59% |
| 2 | 2026-02-07 | 87.47% | 87.34% | -0.14% |
| 3 | 2026-01-25 | — | 87.47% | — |
Full EPSS history (25 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
high | CVE-2017-3599: 1 GLSA(s) (201802-04), 1 atom(s) (dev-db/mysql); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2017-3599 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2017-3599 |
suse
|
medium | CVE-2017-3599 severity moderate: SUSE including 16 source package names (libmysql55client18, libmysql55client18-32bit, …), 41 product×package rows across 12 product lines (SUSE Linux Enterprise High Performance Computing 12 SP5, SUSE Linux Enterprise Server 11 SP1 for Teradata, … (12 product lines)): Known Not Affected 41. | https://www.suse.com/security/cve/CVE-2017-3599/ |
ubuntu
|
medium | CVE-2017-3599 medium priority: Ubuntu including 10 source packages (mariadb-10.0, mariadb-10.1, …), 225 status rows across 23 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, xenial, yakkety, zesty): DNE 181, not-affected 21, ignored 9, released 8, needs-triage 4, needed 2. | https://ubuntu.com/security/CVE-2017-3599 |
| URL | Tags |
|---|---|
| http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.html | Patch Vendor Advisory |
| http://www.securityfocus.com/bid/97754 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1038287 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2017:2787 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2017:2886 | Third 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 |