Read the docs
TI-2021-05970 Aliases CVE-2021-23205GHSA-mh7q-v46c-8vpg

Improper output encoding in Gallagher Command Centre

Priority LOW 37CWE-116Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Improper Encoding or Escaping in Gallagher Command Centre Server allows a Command Centre Operator to alter the configuration of Controllers and other hardware items beyond their privilege. 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.

Why it matters now

EPSS 0.00871 59th percentileScored 2026-11-07
Fix Fixed Command Centre (Gallagher): 8.40.1888 (MR3), 8.30.1359 (MR3), 8.20.1259 (MR5)

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
GallagherCommand Centreup to 8.10; 8.40 to before 8.40.1888 (MR3); 8.30 to before 8.30.1359 (MR3); 8.20 to before 8.20.1259 (MR5)8.40.1888 (MR3), 8.30.1359 (MR3), 8.20.1259 (MR5)Patch availableCNA
  • Command Centre VendorGallagher Affected up to 8.10; 8.40 to before 8.40.1888 (MR3); 8.30 to before 8.30.1359 (MR3); 8.20 to before 8.20.1259 (MR5) Fixed in 8.40.1888 (MR3), 8.30.1359 (MR3), 8.20.1259 (MR5) Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:*up to 8.10; 8.20 to before 8.20.1259; 8.30 to before 8.30.1359; 8.40 to before 8.40.1888VulnerableGallagher
  • cpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:* Versions up to 8.10; 8.20 to before 8.20.1259; 8.30 to before 8.30.1359; 8.40 to before 8.40.1888 Vulnerable ·Gallagher

Remediation

  • Fix · CNA Command Centre (Gallagher) Fixed in 8.40.1888 (MR3), 8.30.1359 (MR3), 8.20.1259 (MR5)

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Gallagher Command Centre 8.20.1259 (MR5), 8.30.1359 (MR3), 8.40.1888 (MR3)

    3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2021-05931 Improper authorization in Gallagher Command CentrePriority MEDIUM 44
    • TI-2021-05928 Improper authorization in Gallagher Command CentrePriority LOW 30
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-23205
  2. 2026-10-03 Alias added: GHSA-mh7q-v46c-8vpg

References

Advisory 1

  • TI-2021-05931 Improper authorization in Gallagher Command Centre CVSS 3.1CRITICAL 9.9
  • TI-2020-12668 Improper authentication in Gallagher Command Centre CVSS 3.1CRITICAL 9.8
  • TI-2020-12666 Improper authorization in Gallagher Command Centre CVSS 3.1CRITICAL 9.9
  • TI-2019-11404 An issue was discovered in Gallagher Command Centre 8.10 before 8.10.1092(MR2). CVSS 3.0CRITICAL 9.8
  • TI-2021-05986 SQL injection in Gallagher Command Centre CVSS 3.1CRITICAL 9.9
  • TI-2020-12673 Incorrect type conversion in Gallagher Command Centre CVSS 3.1HIGH 8.8
See all 41 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences