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VulnerabilityPublished Updated

CVE-2024-21159: Improper Authorization

Source GCVE Database

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Authoritative record:CVE-2024-21159· Medium 4.9

Not known to be exploited · CVSS 4.9 Medium.

Data as of 3 Nov 2026, 17:22 UTC

CVSS 3.1 base score
4.9Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (oracle)CVSS 3.14.9
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Jul 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Mysqlmysql/mysql-serverpkg:deb/mysql/mysql-serverOther threatsAffected
  • <=8.0.36
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Oracle has released security patches for this vulnerability as part of the July 2024 Critical Patch Update. Customers are strongly advised to apply these patches without delay to remediate the issue. No alternative mitigations or workarounds are specified. Maintaining up-to-date, actively supported versions and applying Oracle's Critical Patch Updates promptly is the recommended course of action.

Description

CVE-2024-21159 is a vulnerability in the InnoDB component of Oracle MySQL Server affecting versions 8.0.36 and prior, and 8.3.0 and prior. It allows a high-privileged attacker with network access to cause a denial of service by hanging or crashing the MySQL Server. The vulnerability impacts availability but does not affect confidentiality or integrity. The CVSS 3.1 base score is 4.9, indicating a medium severity. Oracle has included this vulnerability in its July 2024 Critical Patch Update, which contains security patches for affected MySQL versions.

References

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