How severe is CVE-2024-21512?

CVE-2024-21512 has a CVSS 3.x base score of 8.2, 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 high, and availability low.

Is CVE-2024-21512 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-21512?

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-2024-21512 have an EU (EUVD) identifier?

Yes. CVE-2024-21512 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1718.

When was CVE-2024-21512 published?

CVE-2024-21512 was published on 2024-05-29 and last updated on 2026-06-17.

CVE-2024-21512

CVE-2024-21512 is a high-severity vulnerability with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1321.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-1718
Weakness: CWE-1321
Published: 2024-05-29
Last modified: 2026-06-17

Description

Versions of the package mysql2 before 3.9.8 are vulnerable to Prototype Pollution due to improper user input sanitization passed to fields and tables when using nestTables.

Frequently asked questions

What is CVE-2024-21512?: Versions of the package mysql2 before 3.9.8 are vulnerable to Prototype Pollution due to improper user input sanitization passed to fields and tables when using nestTables.
How severe is CVE-2024-21512?: CVE-2024-21512 has a CVSS 3.x base score of 8.2, 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 high, and availability low.
Is CVE-2024-21512 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-21512?: 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-2024-21512 have an EU (EUVD) identifier?: Yes. CVE-2024-21512 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1718.
When was CVE-2024-21512 published?: CVE-2024-21512 was published on 2024-05-29 and last updated on 2026-06-17.

References

Other CWE-1321 (Prototype Pollution) vulnerabilities

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CVE-2024-38999 — Critical (CVSS 10.0): jrburke requirejs v2.3.6 was discovered to contain a prototype pollution via the function s.contexts._.configure. This…
CVE-2022-29823 — Critical (CVSS 10.0): Feather-Sequalize cleanQuery method uses insecure recursive logic to filter unsupported keys from the query object.…
CVE-2022-24760 — Critical (CVSS 10.0): Parse Server is an open source http web server backend. In versions prior to 4.10.7 there is a Remote Code Execution…
CVE-2020-12079 — Critical (CVSS 10.0): Beaker before 0.8.9 allows a sandbox escape, enabling system access and code execution. This occurs because Electron…

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