What’s Vulnerable › Vulnerabilities

CVE-2023-43338

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-09-23 · updated 2026-06-17
• Weakness: CWE-787

Description

Cesanta mjs v2.20.0 was discovered to contain a function pointer hijacking vulnerability via the function mjs_get_ptr(). This vulnerability allows attackers to execute arbitrary code via a crafted input.

Affected products

• Cesanta mJS: 2.20.0

References

• https://github.com/cesanta/mjs/issues/250
• https://github.com/cesanta/mjs/issues/250

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