Gallagher NxWitness VMS/Hanwha VMS up to 9.10.16/9.10.24 Video Stream cleartext transmission

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Gallagher NxWitness VMS and Hanwha VMS up to 9.10.16/9.10.24. Affected by this issue is some unknown functionality of the component Video Stream Handler. Performing a manipulation results in cleartext transmission. This vulnerability is known as CVE-2026-20801. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Gallagher NxWitness VMS and Hanwha VMS up to 9.10.16/9.10.24. This affects some unknown functionality of the component Video Stream Handler. The manipulation with an unknown input leads to a cleartext transmission vulnerability. CWE is classifying the issue as CWE-319. The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. This is going to have an impact on confidentiality. The summary by CVE is:

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.

The advisory is shared at security.gallagher.com. This vulnerability is uniquely identified as CVE-2026-20801 since 03/02/2026. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1040 for this issue.

Upgrading to version 9.10.017 or 9.10.025 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CNNVD (CNNVD-202603-372). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.6
CNA Vector (Gallagher): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cleartext transmission
CWE: CWE-319 / CWE-310
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: NxWitness VMS/Hanwha VMS 9.10.017/9.10.025

Timelineinfo

03/02/2026 CVE reserved
03/03/2026 +1 days Advisory disclosed
03/03/2026 +0 days VulDB entry created
03/04/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: security.gallagher.com
Status: Confirmed

CVE: CVE-2026-20801 (🔒)
GCVE (CVE): GCVE-0-2026-20801
GCVE (VulDB): GCVE-100-348525
CNNVD: CNNVD-202603-372 - Gallagher NxWitness VMS 安全漏洞

Entryinfo

Created: 03/03/2026 07:04
Updated: 03/04/2026 19:09
Changes: 03/03/2026 07:04 (64), 03/04/2026 19:09 (6)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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