CVE-2024-40494

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2024-40494
Buffer Overflow in coap_msg.c in FreeCoAP allows remote attackers to execute arbitrary code or cause a denial of service (stack buffer overflow) via a crafted packet.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://gist.github.com/dqp10515/e9d7d663cb89187bfe7b39bb3aeb0113 Third Party Advisory
https://github.com/dqp10515/security/tree/main/FreeCoAP_bug Exploit
Configurations

Configuration 1 (hide)

cpe:2.3:a:keith-cullen:freecoap:0.7:*:*:*:*:*:*:*
History

24 Jun 2025, 01:11

Type Values Removed Values Added
First Time Keith-cullen
Keith-cullen freecoap
CPE cpe:2.3:a:keith-cullen:freecoap:0.7:*:*:*:*:*:*:*
References () https://gist.github.com/dqp10515/e9d7d663cb89187bfe7b39bb3aeb0113 - () https://gist.github.com/dqp10515/e9d7d663cb89187bfe7b39bb3aeb0113 - Third Party Advisory
References () https://github.com/dqp10515/security/tree/main/FreeCoAP_bug - () https://github.com/dqp10515/security/tree/main/FreeCoAP_bug - Exploit

23 Oct 2024, 17:35

Type Values Removed Values Added
CWE CWE-120
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.8

23 Oct 2024, 15:12

Type Values Removed Values Added
Summary
  • (es) El desbordamiento de búfer en coap_msg.c en FreeCoAP permite a atacantes remotos ejecutar código arbitrario o provocar una denegación de servicio (desbordamiento de búfer en la región stack de la memoria ) a través de un paquete manipulado específicamente para ello.

22 Oct 2024, 22:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-10-22 22:15

Updated : 2025-06-24 01:11

NVD link : CVE-2024-40494

Mitre link : CVE-2024-40494

CVE.ORG link : CVE-2024-40494

JSON object : View

Products Affected

keith-cullen

  • freecoap
CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')