Home/CVE/Improper validation of the cloud certificate chain in Mobile Client allows man-in-the-middle attack to impersonate the l
CVE

CVE-2021-23155

Improper validation of the cloud certificate chain in Mobile Client allows man-in-the-middle attack to impersonate the l

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.

CRITICAL · CVSS 9 EPSS 0.00129
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-295Improper Certificate Validation
CWE-296Improper Following of a Certificate's Chain of Trust
▤

Affected Products & Versions

2
gallagher command centre mobile client<= 8.50
gallagher command centre mobile client>= 8.60 and < 8.60.065
▣

Scoring & Timeline

9
CRITICAL · CVSS v3.1 · disclosures@gallagher.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Nov 2021 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://security.gallagher.com/Security-Advisories/CVE-2021-23155Vendor Advisory
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