CVSS 3.1 Score 9.8 of 10 (high)


Published Apr 11, 2024


CVE-2024-21508 is a vulnerability found in versions of the mysql2 package prior to 3.9.4. This vulnerability allows for Remote Code Execution (RCE) through the readCodeFor function, due to improper validation of the supportBigNumbers and bigNumberStrings values. The risk score for this vulnerability is 66, with a base severity rating of critical (9.8). It does not require any specific privileges or user interaction and can be exploited over a network. The potential impact includes high integrity and confidentiality impact, as well as high availability impact. Organizations using affected versions of mysql2 should remediate this vulnerability by updating to version 3.9.4 or later to mitigate the risk of RCE attacks.

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