CVE Vulnerabilities

CVE-2021-23155

Improper Following of a Certificate's Chain of Trust

Published: Nov 18, 2021 | Modified: Nov 21, 2024
CVSS 3.x
6.8
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu
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Improper validation of the cloud certificate chain in Mobile Client allows man-in-the-middle attack to impersonate the legitimate Command Centre Server. This issue affects: Gallagher Command Centre Mobile Client for Android 8.60 versions prior to 8.60.065; version 8.50 and prior versions.

Weakness

The product does not follow, or incorrectly follows, the chain of trust for a certificate back to a trusted root certificate.

Affected Software

NameVendorStart VersionEnd Version
Command_centre_mobile_clientGallagher*8.50 (including)
Command_centre_mobile_clientGallagher8.60 (including)8.60.065 (excluding)

Extended Description

There are several ways in which the chain of trust might be broken, including but not limited to:

Potential Mitigations

References