Buffer overflow in H3c Magic_b1st

CVE-2023-34937

A stack overflow in the UpdateSnat function of H3C Magic B1STV100R012 allows attackers to cause a Denial of Service (DoS) via a crafted POST request.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (53.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

H3c Magic_b1st
H3c Magic_b1st_firmware — versions 100r012
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2023-34937?: CVE-2023-34937 is a high-severity vulnerability in H3c Magic_b1st, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-06-28.
How severe is CVE-2023-34937?: High severity. CVSS v3 base score is 7.5 out of 10.