CVE-2018-2786

MEDIUM
5.5
CVSS Score
Published: April 19, 2018 at 02:00 AM UTC
Updated: June 17, 2026 at 01:56 AM UTC
3 products affected across 3 vendorsUbuntu LinuxMySQL ServerMariaDB

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Severity
MEDIUM5.5
Exploit prediction
EPSS 3%
SSVC
No known exploit

Description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: InnoDB). Supported versions that are affected are 5.7.21 and prior. Easily exploitable vulnerability allows high privileged 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 as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.0 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

10.2.0 ≤ v < 10.2.15
Affected range stops below 10.2.15, so it looks safe — our inference, not a vendor statement
v ≤ 5.7.215.7.0 ≤ v ≤ 5.7.21

References (9)

VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/103779
VDB Entryx_refsource_SECTRACKThird Party Advisory
http://www.securitytracker.com/id/1040698
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2018:3655
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:1258
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
https://security.gentoo.org/glsa/201908-24
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
https://usn.ubuntu.com/3629-1/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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