What is CVE-2024-31030?

CVE-2024-31030 is a critical-severity vulnerability in Keith-Cullen Freecoap, classified under NULL Pointer Dereference. CVSS score: 9.1/10. Published 2024-05-31.

How severe is CVE-2024-31030?

Critical severity. CVSS v3 base score is 9.1 out of 10.

NULL pointer dereference in Keith-Cullen Freecoap

CVE-2024-31030

An issue in coap_msg.c in Keith Cullen's FreeCoAP v.0.7 allows remote attackers to cause a Denial of Service or potentially disclose information via a specially crafted packet.

Published 2024-05-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.008 (54.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Keith-Cullen Freecoap — versions 0.7

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

github.com/keith-cullen/FreeCoAP/issues/36 (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2024-31030?: CVE-2024-31030 is a critical-severity vulnerability in Keith-Cullen Freecoap, classified under NULL Pointer Dereference. CVSS score: 9.1/10. Published 2024-05-31.
How severe is CVE-2024-31030?: Critical severity. CVSS v3 base score is 9.1 out of 10.