What’s Vulnerable › Vulnerabilities

CVE-2023-49551

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-01-02 · updated 2026-06-17
• Weakness: CWE-20

Description

An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_op_json_parse function in the msj.c file.

Affected products

• Cesanta mJS: 2.20.0

References

• https://github.com/cesanta/mjs/issues/257
• https://github.com/cesanta/mjs/issues/257

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