Is CVE-2023-50044 actively exploited?

No active exploitation of CVE-2023-50044 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-50044 be exploited remotely?

Yes. CVE-2023-50044 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-50044?

CVE-2023-50044 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-50044

CRITICAL

CVE-2023-50044

CWE-120Published: December 20, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Cesanta MJS 2.20.0 has a getprop_builtin_foreign out-of-bounds read if a Built-in API name occurs in a substring of an input string.

NVD Source

Risk Analysis

Cesanta MJS is susceptible to an out-of-bounds read vulnerability when processing specific input strings. This critical flaw could be leveraged by a remote attacker to compromise the system.

No public exploit is known, and the vulnerability is not in the CISA KEV. It is remotely exploitable with low attack complexity.

Recommended Action

Update MJS to the latest version. Ensure that input strings are sanitized before being processed by the built-in API.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-50044 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.