Improper input validation in Gallagher Controller 6000/ Controller 7000
Priority LOW 21CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Improper input validation of a large HTTP request in the Controller 6000 and Controller 7000 optional diagnostic web interface (Port 80) can be used to perform a Denial of Service of the diagnostic web interface. This issue affects: Gallagher Controller 6000 and 7000 8.90 prior to vCR8.90.231204a (distributed in 8.90.1620 (MR2)), 8.80 prior to vCR8.80.231204a (distributed in 8.80.1369 (MR3)), 8.70 prior to vCR8.70.231204a (distributed in 8.70.2375 (MR5)), 8.60 prior to vCR8.60.231116a (distributed in 8.60.2550 (MR7)), all versions of 8.50 and prior.
Why it matters now
EPSS 0.00512 43rd percentileScored 2026-11-07
Fix Fixed Controller 6000/ Controller 7000 (Gallagher): vCR8.90.231204a, vCR8.80.231204a, vCR8.70.231204a +1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Gallagher | Controller 6000/ Controller 7000 | up to 8.50; 8.90 to before vCR8.90.231204a; 8.80 to before vCR8.80.231204a; 8.70 to before vCR8.70.231204a; 8.60 to before vCR8.60.231116a | vCR8.90.231204a, vCR8.80.231204a, vCR8.70.231204a, vCR8.60.231116a | Patch available | CNA |
- Controller 6000/ Controller 7000 VendorGallagher Affected up to 8.50; 8.90 to before vCR8.90.231204a; 8.80 to before vCR8.80.231204a; 8.70 to before vCR8.70.231204a; 8.60 to before vCR8.60.231116a Fixed in vCR8.90.231204a, vCR8.80.231204a, vCR8.70.231204a, vCR8.60.231116a Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:gallagher:controller_6000_firmware:*:*:*:*:*:*:*:* | up to 8.50; 8.60 to before 8.60.231116a; 8.70 to before 8.70.231204a; 8.80 to before 8.80.231204a; 8.90 to before 8.90.231204a | Vulnerable | Gallagher |
| cpe:2.3:h:gallagher:controller_6000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Gallagher |
| cpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:* | up to 8.50; 8.60 to before 8.60.231116a; 8.70 to before 8.70.231204a; 8.80 to before 8.80.231204a; 8.90 to before 8.90.231204a | Vulnerable | Gallagher |
| cpe:2.3:h:gallagher:controller_7000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Gallagher |
- cpe:2.3:o:gallagher:controller_6000_firmware:*:*:*:*:*:*:*:* Versions up to 8.50; 8.60 to before 8.60.231116a; 8.70 to before 8.70.231204a; 8.80 to before 8.80.231204a; 8.90 to before 8.90.231204a Vulnerable ·Gallagher
- cpe:2.3:h:gallagher:controller_6000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Gallagher
- cpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:* Versions up to 8.50; 8.60 to before 8.60.231116a; 8.70 to before 8.70.231204a; 8.80 to before 8.80.231204a; 8.90 to before 8.90.231204a Vulnerable ·Gallagher
- cpe:2.3:h:gallagher:controller_7000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Gallagher
Remediation
- Fix · CNA Controller 6000/ Controller 7000 (Gallagher) Fixed in vCR8.90.231204a, vCR8.80.231204a, vCR8.70.231204a, vCR8.60.231116a
Timeline
- 2026-10-02 Threatist record created from CVE-2023-22439
- 2026-10-03 Alias added: GHSA-4jpc-fv5p-mh98
References
More Gallagher Command Centre vulnerabilities
- 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
Sources
- CVE-2023-22439 · CVE Program
- CVE-2023-22439 · NVD
- FIRST EPSS
- GHSA-4jpc-fv5p-mh98 · GitHub Advisory Database · CC BY 4.0
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