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Vulnerability record · CVE-2021-23140 · published 11 June 2021

CVE-2021-23140: Gallagher command centre improper authorization vulnerability

Gallagher · Command Centre

Improper Authorization vulnerability in Gallagher Command Centre Server allows command line macros to be modified by an unauthorised Command Centre Operator. This issue affects: Gallagher Command Centre 8.40 versions prior to 8.40.1888 (MR3); 8.30 versions prior to 8.30.1359 (MR3); 8.20 versions prior to 8.20.1259 (MR5); version 8.10 and prior versions.

8.8 CVSS 3.1 High EPSS 0.85% · top 43.4% CWE-285 · Improper authorization
8.8CVSS 3.1 base score, v2 6.5
0.85%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Improper Authorization vulnerability in Gallagher Command Centre Server allows command line macros to be modified by an unauthorised Command Centre Operator. This issue affects: Gallagher Command Centre 8.40 versions prior to 8.40.1888 (MR3); 8.30 versions prior to 8.30.1359 (MR3); 8.20 versions prior to 8.20.1259 (MR5); version 8.10 and prior versions.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://security.gallagher.com/Security-Advisories/CVE-2021-23140 Vendor Advisory
https://security.gallagher.com/Security-Advisories/CVE-2021-23140 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-23140), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.