CVE-2020-14869 Denial of service in MySQL Server

Medium 4.9 Published 21 Oct 2020 Updated 26 Sep 2024

A high-privileged attacker can cause a complete denial of service in MySQL Server via the LDAP authentication component.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2020-14869?

CVE-2020-14869 is a medium-severity denial of service vulnerability in Netapp Active Iq Unified Manager, published on 21 Oct 2020. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: LDAP Auth). Supported versions that are affected are 5.7.31 and prior and 8.0.21 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. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Which versions are affected by CVE-2020-14869?

It affects 5 products.

Products include Netapp Active Iq Unified Manager, Netapp Oncommand Insight, Netapp Oncommand Workflow Automation, Netapp Snapcenter, Oracle Mysql.

How do I fix CVE-2020-14869?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-14869 being exploited?

There is no known exploitation of CVE-2020-14869 in the wild and no public exploit code.

All Netapp Active Iq Unified Manager vulnerabilities

Sources

Also known as GHSA-vx83-j5wr-7qrc, UBUNTU-CVE-2020-14869.