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CVE-2026-20801

Quick assessment

Affected
Gallagher NxWitness VMS and Hanwha VMS Integrations
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Gallagher NxWitness VMS是新西兰Gallagher公司的一套视频管理系统。 Gallagher NxWitness VMS 9.10.017之前版本和9.10.025之前版本存在安全漏洞，该漏洞源于组件明文传输敏感信息，可能导致具有本地网络访问权限的非特权用户查看实时视频流。

CVSS 5.6 · Medium EPSS 0.10% · P1

Possible ATT&CK Techniques 1 AI

T1072 · Software Deployment Tools
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I. Basic Information for CVE-2026-20801

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
Source: CVE Program / CVE List V5
Vulnerability Title
Gallagher NxWitness VMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Gallagher NxWitness VMS是新西兰Gallagher公司的一套视频管理系统。 Gallagher NxWitness VMS 9.10.017之前版本和9.10.025之前版本存在安全漏洞，该漏洞源于组件明文传输敏感信息，可能导致具有本地网络访问权限的非特权用户查看实时视频流。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Gallagher NxWitness VMS and Hanwha VMS Integrations 0 ~ 9.10.017 -

II. Public POCs for CVE-2026-20801

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III. Intelligence Information for CVE-2026-20801

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Vendor Advisories for CVE-2026-20801 (1)

Same Patch Batch · Gallagher · 2026-03-03 · 3 CVEs total

CVE-2025-47147 5.7 MEDIUM Gallagher Command Centre Mobile Client 安全漏洞
CVE-2026-20757 2.5 LOW Gallagher Command Centre Server 安全漏洞

IV. Related Vulnerabilities

Same vendor: Gallagher
Same weakness: CWE-319

V. Comments for CVE-2026-20801

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