What is CVE-2024-40494?

CVE-2024-40494 is a critical-severity vulnerability in Keith-cullen Freecoap, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2024-10-22.

How severe is CVE-2024-40494?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Keith-cullen Freecoap

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.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Keith-cullen Freecoap — versions 0.7
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (Exploit)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2024-40494?: CVE-2024-40494 is a critical-severity vulnerability in Keith-cullen Freecoap, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2024-10-22.
How severe is CVE-2024-40494?: Critical severity. CVSS v3 base score is 9.8 out of 10.