Vulnerability · Published May 4, 2026 · Assigned by GV
CVE-2026-42370GeoVision GV-VMS V20 WebCam Server Login stack overflow vulnerability
Critical 9.0
In plain English
A critical-severity out-of-bounds write in GV-VMS V20.0.2 from GeoVision Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).
Severity (CVSS 3.1)9.0Critical
Exploit odds (30 days)0.5%top 54.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| GeoVision Inc. | GV-VMS V20.0.2 | 20.0.2 |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H