CVE-2023-49549

HIGH
Published Jan 2, 2024 Modified Jun 16, 2025

Description

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

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CVSS v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor Product
cesanta mjs

References

Frequently Asked Questions

What is CVE-2023-49549? +
An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_getretvalpos function in the msj.c file. It has a CVSS v3.1 base score of 7.5 (HIGH).
How severe is CVE-2023-49549? +
CVE-2023-49549 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2023-49549? +
CVE-2023-49549 affects products from cesanta, specifically: mjs. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-49549? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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