CVE-2024-40494

CRITICAL EPSS 62.5%
Published Oct 22, 20241y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Oct 22, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
62.5% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-120

Affected Products 1

VendorProductVersionRange
keith-cullenfreecoap0.7any

References 2

  • gist.github.com https://gist.github.com/dqp10515/e9d7d663cb89187bfe7b39bb3aeb0113
    Third Party Advisory
  • github.com https://github.com/dqp10515/security/tree/main/FreeCoAP_bug
    Exploit

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.