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CVE-2023-22439

MEDIUM
4.3
CVSS Score
Published: December 18, 2023 at 09:58 PM UTC
Updated: June 17, 2026 at 05:35 AM UTC
3 products affected across 1 vendorCommand CentreController 6000Controller 7000

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.5%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Command Centre· Gallagher
95%
v ≤ 8.508.60 ≤ v < 8.60.231116a8.70 ≤ v < 8.70.231204a8.80 ≤ v < 8.80.231204a8.90 ≤ v < 8.90.231204a
Affected range stops below 8.60.231116a, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.70.231204a, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.80.231204a, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.90.231204a, so it looks safe — our inference, not a vendor statement
gallagher-controller-6000 (environment) · gallagher-controller-7000 (environment)
Controller 6000· Gallagher
95%
v ≤ 8.508.60 ≤ v < 8.60.231116a8.60 ≤ v < vCR8.60.231116a8.70 ≤ v < 8.70.231204a8.70 ≤ v < vCR8.70.231204a8.80 ≤ v < 8.80.231204a8.80 ≤ v < vCR8.80.231204a8.90 ≤ v < 8.90.231204a8.90 ≤ v < vCR8.90.231204a8.608.708.808.90
Affected range stops below 8.60.231116a, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.70.231204a, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.80.231204a, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.90.231204a, so it looks safe — our inference, not a vendor statement
Affected range stops below vCR8.60.231116a, so it looks safe — our inference, not a vendor statement
Affected range stops below vCR8.70.231204a, so it looks safe — our inference, not a vendor statement
Affected range stops below vCR8.80.231204a, so it looks safe — our inference, not a vendor statement
Affected range stops below vCR8.90.231204a, so it looks safe — our inference, not a vendor statement
Controller 7000· Gallagher
60%
v ≤ 8.508.60 ≤ v < vCR8.60.231116a8.70 ≤ v < vCR8.70.231204a8.80 ≤ v < vCR8.80.231204a8.90 ≤ v < vCR8.90.231204a8.608.708.808.90
Affected range stops below vCR8.60.231116a, so it looks safe — our inference, not a vendor statement
Affected range stops below vCR8.70.231204a, so it looks safe — our inference, not a vendor statement
Affected range stops below vCR8.80.231204a, so it looks safe — our inference, not a vendor statement
Affected range stops below vCR8.90.231204a, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://security.gallagher.com/Security-Advisories/CVE-2023-22439

CVSS

4.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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