CVE-2026-20801Network attack vector

Live video disclosure via cleartext transmission

Published Mar 3, 2026 · Updated Mar 3, 2026

Cleartext transmission in Gallagher NxWitness VMS before 9.10.017 and Hanwha VMS before 9.10.025 allows remote attackers to view live streams. Gallagher identifies only an integration component that transmits sensitive video data in cleartext; the affected protocol and code locus are undisclosed. Reachability requires an affected integration and local-network access; the reported consequence is unauthorized viewing of live video streams.

CVSS severity5.6
Medium
EPSS probability0.10%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cleartext transmission in Gallagher NxWitness VMS before 9.10.017 and Hanwha VMS before 9.10.025 allows remote attackers to view live streams. Gallagher identifies only an integration component that transmits sensitive video data in cleartext; the affected protocol and code locus are undisclosed. Reachability requires an affected integration and local-network access; the reported consequence is unauthorized viewing of live video streams.

The record

CVE
CVE-2026-20801
Published
Mar 3, 2026
Updated
Mar 3, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-319, T1040
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 3, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 3, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.6Gallagher Group Ltd.CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-319Cleartext Transmission of Sensitive Information
T1040Network Sniffing

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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