CVE-2021-23162

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-11-18 · updated 2026-06-17
Weakness: CWE-296

Description

Improper validation of the cloud certificate chain in Mobile Connect allows man-in-the-middle attack to impersonate the legitimate Command Centre Server. This issue affects: Gallagher Command Centre Mobile Connect for Android 15 versions prior to 15.04.040; version 14 and prior versions.

Affected products

Gallagher Command Centre Mobile Connect for Android: through 14.0; from 15.0 before 15.04.040 — fixed in 15.04.040

How to fix

Upgrade to a fixed version: Gallagher Command Centre Mobile Connect for Android 15.04.040. Check the vendor advisory for mitigations.

References

https://security.gallagher.com/Security-Advisories/CVE-2021-23162
https://security.gallagher.com/Security-Advisories/CVE-2021-23162

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