CVE-2024-21838: Gallagher Command Centre

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper neutralization of special elements in output (CWE-74) used by the email generation feature of the Command Centre Server could lead to HTML code injection in emails generated by Command Centre. This issue affects: Gallagher Command Centre 9.00 prior to vEL9.00.1774 (MR2), 8.90 prior to vEL8.90.1751 (MR3), 8.80 prior to vEL8.80.1526 (MR4), 8.70 prior to vEL8.70.2526 (MR6),  all version of 8.60 and prior.

Affected products

• Gallagher Command Centre: up to and including 8.60; from 8.70, before 8.70.2526 (fixed in 8.70.2526); from 8.80, before 8.80.1526 (fixed in 8.80.1526); from 8.90, before 8.90.1751 (fixed in 8.90.1751); from 9.00, before 9.00.1774 (fixed in 9.00.1774)

Published 2024-03-05. Last modified 2026-06-17.