CVE-2023-22363: Access Zone stack overflow

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-25 · updated 2026-06-17
Weakness: CWE-121

Description

A stack-based buffer overflow in the Command Centre Server allows an attacker to cause a denial of service attack via assigning cardholders to an Access Group. This issue affects Command Centre: vEL8.80 prior to vEL8.80.1192 (MR2)

Affected products

Gallagher Command Centre: from 8.80 before 8.80.1192 — fixed in 8.80.1192

How to fix

Upgrade to a fixed version: Gallagher Command Centre 8.80.1192. Check the vendor advisory for mitigations.

References

https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2023-22363
https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2023-22363

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