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TI-2021-05945 Aliases CVE-2021-23167GHSA-36x7-v6h4-4q78

Improper certificate validation in Gallagher Command Centre

Priority LOW 35CWE-295Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-295.

Summary

Improper certificate validation vulnerability in SMTP Client allows man-in-the-middle attack to retrieve sensitive information from the Command Centre Server. This issue affects: Gallagher Command Centre 8.50 versions prior to 8.50.2048 (MR3); 8.40 versions prior to 8.40.2063 (MR4); 8.30 versions prior to 8.30.1454 (MR4) ; version 8.20 and prior versions.

Why it matters now

EPSS 0.00398 34th percentileScored 2026-11-07
Fix Fixed Command Centre (Gallagher): 8.50.2048 (MR3), 8.40.2063 (MR4), 8.30.1454 (MR4)

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
GallagherCommand Centreup to 8.20; 8.50 to before 8.50.2048 (MR3); 8.40 to before 8.40.2063 (MR4); 8.30 to before 8.30.1454 (MR4)8.50.2048 (MR3), 8.40.2063 (MR4), 8.30.1454 (MR4)Patch availableCNA
  • Command Centre VendorGallagher Affected up to 8.20; 8.50 to before 8.50.2048 (MR3); 8.40 to before 8.40.2063 (MR4); 8.30 to before 8.30.1454 (MR4) Fixed in 8.50.2048 (MR3), 8.40.2063 (MR4), 8.30.1454 (MR4) Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:*up to 8.20; 8.30 to before 8.30.1454; 8.40 to before 8.40.2063; 8.50 to before 8.50.2048VulnerableGallagher
  • cpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:* Versions up to 8.20; 8.30 to before 8.30.1454; 8.40 to before 8.40.2063; 8.50 to before 8.50.2048 Vulnerable ·Gallagher

Remediation

  • Fix · CNA Command Centre (Gallagher) Fixed in 8.50.2048 (MR3), 8.40.2063 (MR4), 8.30.1454 (MR4)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-23167
  2. 2026-10-03 Alias added: GHSA-36x7-v6h4-4q78

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