What is CVE-2026-20801?

CVE-2026-20801 is a medium-severity vulnerability in Gallagher Nxwitness Vms And Hanwha Integrations, classified under Cleartext Transmission of Sensitive Information. CVSS score: 5.6/10. Published 2026-03-03.

How severe is CVE-2026-20801?

Medium severity. CVSS v3 base score is 5.6 out of 10.

Vulnerability in Gallagher Nxwitness Vms And Hanwha Integrations

CVE-2026-20801

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.

EPSS: 0.001 (1.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Gallagher Nxwitness Vms And Hanwha Integrations — versions 0

Weakness classification (CWE)

CWE-319 — Cleartext Transmission of Sensitive Information

References

disclosures@gallagher.com

Frequently asked questions

What is CVE-2026-20801?: CVE-2026-20801 is a medium-severity vulnerability in Gallagher Nxwitness Vms And Hanwha Integrations, classified under Cleartext Transmission of Sensitive Information. CVSS score: 5.6/10. Published 2026-03-03.
How severe is CVE-2026-20801?: Medium severity. CVSS v3 base score is 5.6 out of 10.