CVE-2024-22387

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-07-11 · updated 2026-06-17
Weakness: CWE-642

Description

External Control of Critical State Data (CWE-642) in the Controller 6000 and Controller 7000 diagnostic web interface allows an authenticated user to modify device I/O connections leading to unexpected behavior that in some circumstances could compromise site physical security controls. Gallagher recommend the diagnostic web page is not enabled (default is off) unless advised by Gallagher Technical support. This interface is intended only for diagnostic purposes. This issue affects: Gallagher Controller 6000 and 7000 9.10 prior to vCR9.10.240520a (distributed in 9.10.1268(MR1)), 9.00 prior to vCR9.00.240521a (distributed in 9.00.1990(MR3)), 8.90 prior to vCR8.90.240520a (distributed in 8.90.1947 (MR4)), 8.80 prior to vCR8.80.240520a (distributed in 8.80.1726 (MR5)), 8.70 prior to vCR8.70.240520a (distributed in 8.70.2824 (MR7)), all versions of 8.60 and prior.

Affected products

Gallagher Controller 6000 and Controller 7000: through 8.60; from 9.10 before vCR9.10.240520a; from 9.00 before vCR9.00.240521a; from 8.90 before vCR8.90.240520a; from 8.80 before vCR8.80.240520a; from 8.70 before vCR8.70.240520a — fixed in vCR8.70.240520a, vCR8.80.240520a, vCR8.90.240520a, vCR9.00.240521a, vCR9.10.240520a

How to fix

Upgrade to a fixed version: Gallagher Controller 6000 and Controller 7000 vCR8.70.240520a, vCR8.80.240520a, vCR8.90.240520a, vCR9.00.240521a. Check the vendor advisory for mitigations.

References

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