CVE-2026-21784— HCL IntelliOps Event Management is affected by multiple security vulnerabilities.
Possible ATT&CK Techniques 1AI
T1557 · Adversary-in-the-MiddleAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| 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
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| HCL Software | IEM | v1.4.0 | - |
II. Public POCs for CVE-2026-21784
| # | POC Description | Source Link | Shenlong Link |
|---|
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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
- CVE-2025-62299
HCL IntelliOps Event Management is affected by multiple secu - CVE-2025-62300
HCL IntelliOps Event Management is affected by multiple secu - CVE-2025-62306
HCL IntelliOps Event Management is affected by multiple secu - CVE-2025-62307
HCL IntelliOps Event Management is affected by multiple secu - CVE-2025-0253
HCL IEM is affected by a cookie attribute not set vulnerabil
Same vendor: HCL Software
- CVE-2025-62299
HCL IntelliOps Event Management is affected by multiple secu - CVE-2025-62300
HCL IntelliOps Event Management is affected by multiple secu - CVE-2025-62306
HCL IntelliOps Event Management is affected by multiple secu - CVE-2025-62307
HCL IntelliOps Event Management is affected by multiple secu - CVE-2026-21832
HCL AION is affected by multiple security vulnerabilities.
Same weakness: CWE-200
- CVE-2026-48050
Arc: Unauthenticated access to Go debug pprof endpoints leak - CVE-2026-34948
Combodo iTop: Access control bypass via OQL joins - CVE-2026-53497
CrossWatch: Unauthenticated /api/app-auth/status endpoint le - CVE-2026-69225
information disclosure vulnerability in Esri Portal for ArcG - CVE-2026-69224
information disclosure vulnerability in Esri Portal for ArcG
V. Comments for CVE-2026-21784
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