Heap Buffer Overflow Vulnerability in Cesanta MJS Software
CVE-2021-46523

7.8HIGH

Key Information:

Vendor: Cesanta
Status: Mjs
Vendor: CVE Published:; 27 January 2022

What is CVE-2021-46523?

A heap buffer overflow vulnerability has been identified in Cesanta MJS version 2.20.0, specifically located in the to_json_or_debug function within mjs/src/mjs_json.c. This vulnerability could allow an attacker to exploit the software, potentially leading to unexpected behavior or system compromise.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

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References

https://github.com/cesanta/mjs/issues/198

x_refsource_MISC

CVSS V3.1

Score:

7.8

Severity:

HIGH

Confidentiality:

High

Integrity:

High

Availability:

High

Attack Vector:

Local

Attack Complexity:

Low

Privileges Required:

None

User Interaction:

Required

Scope:

Unchanged

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Jan 27, 2022
Vulnerability Reserved
Jan 24, 2022

JSON

Cesanta

What is CVE-2021-46523?

Human OS v1.0: Ageing Is an Unpatched Zero-Day Vulnerability.

References

CVSS V3.1

Timeline

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.