Is CVE-2023-49553 actively exploited?

CVE-2023-49553 has no public evidence of in-the-wild exploitation as of 2025-06-03.

What is the CVSS score for CVE-2023-49553?

CVE-2023-49553 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Patch guidance is available from cesanta security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-49553.

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

Primary Vendor: CESANTA
Published: 1/2/2024
Last Modified: 6/3/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

cesanta : mjs

Cite this page

CVE-2023-49553. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2023-49553