CVE-2023-49552

An Out of Bounds Write in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_op_json_stringify function in the msj.c file.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/cesanta/mjs/issues/256	Exploit Issue Tracking Vendor Advisory
https://github.com/cesanta/mjs/issues/256	Exploit Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:cesanta:mjs:2.20.0:*:*:*:*:*:*:*

History

17 Apr 2025, 19:15

Type	Values Removed	Values Added
CWE		CWE-787

21 Nov 2024, 08:33

Type	Values Removed	Values Added
References	~~() https://github.com/cesanta/mjs/issues/256 - Exploit, Issue Tracking, Vendor Advisory~~	() https://github.com/cesanta/mjs/issues/256 - Exploit, Issue Tracking, Vendor Advisory

09 Jan 2024, 16:25

Type	Values Removed	Values Added
First Time		Cesanta Cesanta mjs
CWE		CWE-125
CPE		cpe:2.3:a:cesanta:mjs:2.20.0:::::::*
References	~~() https://github.com/cesanta/mjs/issues/256 -~~	() https://github.com/cesanta/mjs/issues/256 - Exploit, Issue Tracking, Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5

02 Jan 2024, 23:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-01-02 23:15

Updated : 2025-04-17 19:15

NVD link : CVE-2023-49552

Mitre link : CVE-2023-49552

CVE.ORG link : CVE-2023-49552

JSON object : View

Products Affected

cesanta

mjs

CWE

CWE-125

Out-of-bounds Read

CWE-787

Out-of-bounds Write

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