Information disclosure in Hcl Software Iem

CVE-2026-21784

HCL IntelliOps Event Management (IEM) is affected by missing or insecure Cross-Origin Security headers. This issue makes the application's environment and resources susceptible to unauthorized external interaction and potential exploitation.

Vulnerability class: Information Disclosure

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-21784?
CVE-2026-21784 is a medium-severity vulnerability in Hcl Software Iem, classified under Information Disclosure. CVSS score: 4.8/10. Published 2026-08-20.
How severe is CVE-2026-21784?
Medium severity. CVSS v3 base score is 4.8 out of 10.