CVE-2020-2577: Medium severity Oracle MySQL vulnerability
Last updated 18 August 2025
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.28 and prior and 8.0.18 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.
External References:
https://www.oracle.com/security-alerts/cpujan2020.html
— Red Hat
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.28 and prior and 8.0.18 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. CVSS 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
— Launchpad
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 5.7.29 - Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 8.0.19 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 5.7.28 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 8.0.18 - Compensating control
Given the successful outcome is repeatable hang/crash (DoS) of MySQL Server, restrict network access to the MySQL Server ports/protocols to reduce exposure to network-based exploitation.
Event History
Frequently Asked Questions
What is the severity of CVE-2020-2577?
CVE-2020-2577 is classified as a high severity vulnerability due to its exploitable nature by high privileged attackers with network access.
How do I fix CVE-2020-2577?
To mitigate CVE-2020-2577, upgrade MySQL Server to version 5.7.29 or 8.0.19 or later.
Which versions of MySQL are affected by CVE-2020-2577?
CVE-2020-2577 affects MySQL versions 5.7.28 and prior, as well as 8.0.18 and prior.
What kind of attacks can exploit CVE-2020-2577?
CVE-2020-2577 can be exploited by attackers with high privileges leveraging network access, potentially compromising the MySQL Server.
Where can I find more information on CVE-2020-2577?
Detailed information about CVE-2020-2577 can typically be found within security advisories released by Oracle and affected software vendors.