XSS in Gallagher Command Centre
CVE-2024-21838
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.003 (20.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Gallagher Command Centre
- Gallagher Command Centre Server — versions 0, 9.00, 8.90
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.gallagher.com/en-NZ/Security-Advisories/CVE-2024-21838 (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-21838?
- CVE-2024-21838 is a medium-severity vulnerability in Gallagher Command Centre, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.8/10. Published 2024-03-05.
- How severe is CVE-2024-21838?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2024-21838 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.