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CVE-2026-21784— HCL IntelliOps Event Management is affected by multiple security vulnerabilities.

Quick assessment

Affected
HCL Software IEM
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HCL IntelliOps Event Management是印度HCL公司的一款运维事件管理软件。 HCL IntelliOps Event Management 1.4.0版本存在信息泄露漏洞，该漏洞源于缺少或不安全的跨源安全标头，可能导致应用环境和资源受到未经授权的外部交互和潜在利用。

CVSS 4.8 · Medium EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle

Affected Version Matrix 1

VendorProduct Version RangeStatus
HCL Software IEM v1.4.0 affected
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I. Basic Information for CVE-2026-21784

Vulnerability Information
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Vulnerability Title
HCL IntelliOps Event Management is affected by multiple security vulnerabilities.
Source: CVE Program / CVE List V5
Vulnerability 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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
HCL IntelliOps Event Management 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCL IntelliOps Event Management是印度HCL公司的一款运维事件管理软件。 HCL IntelliOps Event Management 1.4.0版本存在信息泄露漏洞，该漏洞源于缺少或不安全的跨源安全标头，可能导致应用环境和资源受到未经授权的外部交互和潜在利用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
HCL Software IEM v1.4.0 -

II. Public POCs for CVE-2026-21784

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III. Intelligence Information for CVE-2026-21784

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Vendor Advisories for CVE-2026-21784 (1)

Same Patch Batch · HCL Software · 2026-08-20 · 5 CVEs total

CVE-2025-62299 6.6 MEDIUM HCL IntelliOps Event Management is affected by multiple security vulnerabilities.
CVE-2025-62300 5.9 MEDIUM HCL IntelliOps Event Management is affected by multiple security vulnerabilities.
CVE-2025-62307 5.4 MEDIUM HCL IntelliOps Event Management is affected by multiple security vulnerabilities.
CVE-2025-62306 5.0 MEDIUM HCL IntelliOps Event Management is affected by multiple security vulnerabilities.

IV. Related Vulnerabilities

Same product: IEM
Same vendor: HCL Software
Same weakness: CWE-200

V. Comments for CVE-2026-21784

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