CVE-2026-21784

Published Aug 20, 2026

Last updated 4 days ago

CVSS medium 4.8

Overview

Description
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.
Source
psirt@hcl.com
NVD status
Received

Risk scores

CVSS 3.1

Type
Secondary
Base score
4.8
Impact score
2.7
Exploitability score
1.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Severity
MEDIUM

Weaknesses

psirt@hcl.com
CWE-200

Social media

Hype score
Not currently trending

References

Sources include official advisories and independent security research.