CVE-2026-20801 MEDIUM

CVE-2026-20801

Vendor Gallagher
Product NxWitness VMS and Hanwha VMS Integrations
Weakness CWE-319 · Cleartext transmission
Published March 3, 2026
Last update March 3, 2026

CVSS base score

5.6/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

What the vulnerability does

01Description

Cleartext Transmission of Sensitive Information (CWE-319) in a component used in the Gallagher Hanwha VMS and Gallagher NxWitness VMS integrations allows unprivileged users with local network access to view live video streams. This issue affects all versions of Gallagher NxWitness VMS integration prior to 9.10.017 and Gallagher Hanwha VMS integration prior to 9.10.025.

Key dates

02Disclosure timeline

March 3, 2026 CVE published
March 3, 2026 Record updated