CVE-2023-23584

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-18 · updated 2026-06-17
Weakness: CWE-204

Description

An observable response discrepancy in the Gallagher Command Centre RESTAPI allows an insufficiently-privileged user to infer the presence of items that would not otherwise be viewable. This issue affects: Gallagher Command Centre 8.70 prior to vEL8.70.1787 (MR2), 8.60 prior to vEL8.60.2039 (MR4), all version of 8.50 and prior.

Affected products

Gallagher Command Centre: through 8.50; from 8.60 before 8.60.2039; from 8.70 before 8.70.1787 — fixed in 8.60.2039, 8.70.1787

How to fix

Upgrade to a fixed version: Gallagher Command Centre 8.60.2039, 8.70.1787. Check the vendor advisory for mitigations.

References

https://security.gallagher.com/Security-Advisories/CVE-2023-23584
https://security.gallagher.com/Security-Advisories/CVE-2023-23584

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