How severe is CVE-2024-21090?

CVE-2024-21090 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-21090 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21090?

CVE-2024-21090 affects Oracle Mysql Connector/python. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-21090?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-21090 have an EU (EUVD) identifier?

Yes. CVE-2024-21090 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18804.

When was CVE-2024-21090 published?

CVE-2024-21090 was published on 2024-04-16 and last updated on 2026-06-17.

CVE-2024-21090

CVE-2024-21090 is a high-severity vulnerability in Oracle Mysql Connector/python with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-18804
Affected product: Oracle Mysql Connector/python
Published: 2024-04-16
Last modified: 2026-06-17

Description

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/Python). Supported versions that are affected are 8.3.0 and prior. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Frequently asked questions

What is CVE-2024-21090?: Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/Python). Supported versions that are affected are 8.3.0 and prior. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
How severe is CVE-2024-21090?: CVE-2024-21090 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-21090 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21090?: CVE-2024-21090 affects Oracle Mysql Connector/python. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-21090?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-21090 have an EU (EUVD) identifier?: Yes. CVE-2024-21090 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18804.
When was CVE-2024-21090 published?: CVE-2024-21090 was published on 2024-04-16 and last updated on 2026-06-17.

References

https://www.oracle.com/security-alerts/cpuapr2024.html

Affected products (1)

cpe:2.3:a:oracle:mysql_connector\/python:*:*:*:*:*:*:*:*

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