Improper validation of the cloud certificate chain in Mobile Connect allows man-in-the-middle attack to impersonate the legitimate Command…

published 2021-11-18 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-10273

cvss: 7.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

Gallagher Command Centre Mobile Connect for Android 15.04.040

Exploit prediction

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:H
NVD	3.1	8.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

Gallagher Command Centre Mobile Connect for Android

Classification

Weakness

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

References

security.gallagher.com /Security-Advisories/CVE-2021-23162
vendor-advisory

Sources

CVE List CVE-2021-23162
NVD CVE-2021-23162

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary