CVE-2021-23140

Severity: Critical CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
Components affected: Command Centre Server
Version of Command Centre affected: 8.40 prior to 8.40.1888 (MR3), 8.30 prior to 8.30.1359 (MR3), 8.20 prior to 8.20.1259 (MR5), 8.10 and earlier.
Reported by: Gallagher
Active exploitation of vulnerability*: No
Description of vulnerability: Improper Authorization vulnerability in Gallagher Command Centre Server allows command line macros to be modified by an unauthorized Command Centre Operator. This issue affects: Gallagher Command Centre 8.40 versions prior to 8.40.1888 (MR3); 8.30 prior to 8.30.1359 (MR3); 8.20 prior to 8.20.1259 (MR5); version 8.10 and prior versions.  
Mitigation: Sites not using command line macros are not impacted.

Maintenance releases are now available for:

• v8.40 - v8.40.1888(MR3)
• v8.30 - v8.30.1359(MR3)
• v8.20 - v8.20.1259(MR5)

Important notes:

• These maintenance upgrades require the Command Centre server to be upgraded.

*This indicates whether Gallagher are aware of this being actively exploited against customer sites at the time of publication.