CVE-2026-21784CWE-200information-disclosure

CVE-2026-21784

Medium · published August 20, 2026

CVSS v3.1
4.8
EPSS
0%
Percentile
14.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00242 · 14.5th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2026-08-20T17:17Z
References (1)
EPSS history
Timeline
  • 20 AUG 12:18Z
    HCL IntelliOps Event Management is affected by multiple security vulnerabilities.
    cvelistv5