CVE-2024-21508

high-risk
Published 2024-04-11

Versions of the package mysql2 before 3.9.4 are vulnerable to Remote Code Execution (RCE) via the readCodeFor function due to improper validation of the supportBigNumbers and bigNumberStrings values.

Do I need to act?

!
55.6% chance of exploitation in next 30 days
EPSS score — higher than 44% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity
55
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 18/34 · Moderate
Exposure 5/34 · Minimal