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4.9

MySQL Server can be crashed or frozen by an attacker

CVE-2024-21201 · published 2 years ago
Summary

Some versions of MySQL Server can be made to freeze or crash if an attacker with high-level access to the server sends a malicious request. This could disrupt database access for users. Update to a fixed version of MySQL Server to avoid this issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
oracle mysql >= 8.0.0, <= 8.0.39
>= 8.4.0, <= 8.4.2
9.0.0
9.0.1
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
Original advisory text
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.39 and prior, 8.4.2 and prior and 9.0.1 and prior. Easily ex...
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.39 and prior, 8.4.2 and prior and 9.0.1 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).
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
4.9 Medium
Exploitation
<1% chance of attack within 30 days
Timeline
Published15 Oct 2024
Updated3 Nov 2026
First seen7 Mar 2026
Sources
CVE-2024-21201 · NVD
CVE-2024-21201 · OSV
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