CVE-2018-2755: High severity Oracle MySQL vulnerability
Last updated 18 August 2025
Other sources
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Replication). Supported versions that are affected are 5.5.59 and prior, 5.6.39 and prior and 5.7.21 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in MySQL Server, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of MySQL Server.
External References:
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
— Red Hat
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Replication). Supported versions that are affected are 5.5.59 and prior, 5.6.39 and prior and 5.7.21 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in MySQL Server, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of MySQL Server. CVSS 3.0 Base Score 7.7 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H).
— Launchpad
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2018-2755?
CVE-2018-2755 is classified as a difficult to exploit vulnerability primarily affecting unpatched MySQL Server versions.
How do I fix CVE-2018-2755?
To fix CVE-2018-2755, upgrade MySQL Server to version 5.5.60, 5.6.40, or 5.7.22 or later.
Which versions of MySQL are vulnerable to CVE-2018-2755?
MySQL versions 5.5.59 and prior, 5.6.39 and prior, and 5.7.21 and prior are affected by CVE-2018-2755.
Can CVE-2018-2755 be exploited remotely?
Yes, CVE-2018-2755 allows an unauthenticated attacker to exploit the vulnerability remotely.
What components are affected by CVE-2018-2755?
CVE-2018-2755 specifically affects the MySQL Server component, particularly the Server: Replication subcomponent.