CVE-2024-21509
CVE-2024-21509 is a medium-severity vulnerability in Sidorares Mysql2 with a CVSS 3.x base score of 6.5. 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: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 1% (57th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-1089
- Weakness: CWE-1321
- Affected product: Sidorares Mysql2
- Published:
- Last modified:
Description
Versions of the package mysql2 before 3.9.4 are vulnerable to Prototype Poisoning due to insecure results object creation and improper user input sanitization passed through parserFn in text_parser.js and binary_parser.js.
Frequently asked questions
- What is CVE-2024-21509?
- Versions of the package mysql2 before 3.9.4 are vulnerable to Prototype Poisoning due to insecure results object creation and improper user input sanitization passed through parserFn in text_parser.js and binary_parser.js.
- How severe is CVE-2024-21509?
- CVE-2024-21509 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
- Is CVE-2024-21509 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-21509?
- CVE-2024-21509 affects Sidorares Mysql2. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-21509?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-21509 have an EU (EUVD) identifier?
- Yes. CVE-2024-21509 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1089.
- When was CVE-2024-21509 published?
- CVE-2024-21509 was published on 2024-04-10 and last updated on 2026-06-17.
References
- https://blog.slonser.info/posts/mysql2-attacker-configuration/
- https://github.com/sidorares/node-mysql2/blob/fd3d117da82cc5c5fa5a3701d7b33ca77691bc61/lib/parsers/text_parser.js%23L134
- https://github.com/sidorares/node-mysql2/commit/4a964a3910a4b8de008696c554ab1b492e9b4691
- https://github.com/sidorares/node-mysql2/pull/2574
- https://github.com/sidorares/node-mysql2/releases/tag/v3.9.4
- https://security.snyk.io/vuln/SNYK-JS-MYSQL2-6591084
Affected products (1)
- cpe:2.3:a:sidorares:mysql2:*:*:*:*:*:*:*:*
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