How severe is CVE-2024-21238?

CVE-2024-21238 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-21238 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21238?

CVE-2024-21238 primarily affects Oracle Mysql. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-21238?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-21238 have an EU (EUVD) identifier?

Yes. CVE-2024-21238 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18952.

When was CVE-2024-21238 published?

CVE-2024-21238 was published on 2024-10-15 and last updated on 2026-06-17.

CVE-2024-21238

CVE-2024-21238 is a medium-severity vulnerability in Oracle Mysql with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-18952
Affected product: Oracle Mysql
Published: 2024-10-15
Last modified: 2026-06-17

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling). Supported versions that are affected are 8.0.39 and prior, 8.4.1 and prior and 9.0.1 and prior. Difficult to exploit vulnerability allows low 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 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H).

Frequently asked questions

What is CVE-2024-21238?: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling). Supported versions that are affected are 8.0.39 and prior, 8.4.1 and prior and 9.0.1 and prior. Difficult to exploit vulnerability allows low 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 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H).
How severe is CVE-2024-21238?: CVE-2024-21238 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-21238 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21238?: CVE-2024-21238 primarily affects Oracle Mysql. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-21238?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-21238 have an EU (EUVD) identifier?: Yes. CVE-2024-21238 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18952.
When was CVE-2024-21238 published?: CVE-2024-21238 was published on 2024-10-15 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql:9.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql:9.0.1:*:*:*:*:*:*:*

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All CVEs affecting Oracle Mysql →

Threat intelligence

Threat-intel indicators referencing this CVE:

222.90.32.158 (ipv4-addr)
43.155.134.4 (ipv4-addr)
36.112.133.74 (ipv4-addr)
121.229.191.90 (ipv4-addr)
182.18.161.165 (ipv4-addr)
14.29.214.161 (ipv4-addr)
14.18.113.233 (ipv4-addr)
101.32.33.214 (ipv4-addr)