How severe is CVE-2021-23162?

CVE-2021-23162 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability high.

Is CVE-2021-23162 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-23162?

CVE-2021-23162 affects Gallagher Command Centre Mobile Connect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-23162?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-23162 published?

CVE-2021-23162 was published on 2021-11-18 and last updated on 2026-06-17.

CVE-2021-23162

CVE-2021-23162 is a high-severity vulnerability in Gallagher Command Centre Mobile Connect with a CVSS 3.x base score of 7.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: High (CVSS 3.x base score 7.7)
CVSS v2: 6.8
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Gallagher Command Centre Mobile Connect
Published: 2021-11-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-23162?: 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.
How severe is CVE-2021-23162?: CVE-2021-23162 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability high.
Is CVE-2021-23162 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23162?: CVE-2021-23162 affects Gallagher Command Centre Mobile Connect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-23162?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-23162 published?: CVE-2021-23162 was published on 2021-11-18 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:gallagher:command_centre_mobile_connect:*:*:*:*:*:android:*:*

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