Buffer overflow in Geovision Gv-Vms

CVE-2026-42370

A stack overflow vulnerability exists in the WebCam Server Login functionality of GeoVision GV-VMS V20 20.0.2. A specially crafted HTTP request can lead to an arbitrary code execution. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (61.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-42370: held from 0.005 to 0.010.

EPSS over last 30 days · oldest: 0.005 · newest: 0.010 · change: +0.004

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-42370?
CVE-2026-42370 is a critical-severity vulnerability in Geovision Gv-Vms, classified under Out-of-bounds Write. CVSS score: 9.0/10. Published 2026-05-04.
How severe is CVE-2026-42370?
Critical severity. CVSS v3 base score is 9.0 out of 10.