What is CVE-2024-31040?

CVE-2024-31040 is a low-severity vulnerability in Emqx Nanomq, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 2.7/10. Published 2024-04-17.

How severe is CVE-2024-31040?

Low severity. CVSS v3 base score is 2.7 out of 10.

Buffer overflow in Emqx Nanomq

CVE-2024-31040

Buffer Overflow vulnerability in the get_var_integer function in mqtt_parser.c in NanoMQ 0.21.7 allows remote attackers to cause a denial of service via a series of specially crafted hexstreams.

Vulnerability class: Buffer Overflow

EPSS: 0.006 (44.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L.

Affected products

Emqx Nanomq — versions 0.21.7
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, Issue Tracking)

Frequently asked questions

What is CVE-2024-31040?: CVE-2024-31040 is a low-severity vulnerability in Emqx Nanomq, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 2.7/10. Published 2024-04-17.
How severe is CVE-2024-31040?: Low severity. CVSS v3 base score is 2.7 out of 10.