HCL BigFix Service Management is affected by an Administrative Session Concurrency vulnerability. The application allows multiple simultaneous authenticated sessions for the same administrative account, which could enable an unauthorized attacker to predict or hijack valid session identifiers. Successful exploitation allows an attacker to compromise affected administrative sessions and execute actions with full privileged user permissions.
Metrics
Affected Vendors & Products
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Advisories
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Fixes
Solution
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Workaround
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References
History
Fri, 18 Sep 2026 11:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | HCL BigFix Service Management is affected by an Administrative Session Concurrency vulnerability. The application allows multiple simultaneous authenticated sessions for the same administrative account, which could enable an unauthorized attacker to predict or hijack valid session identifiers. Successful exploitation allows an attacker to compromise affected administrative sessions and execute actions with full privileged user permissions. | |
| Title | HCL BigFix Service Management was affected with Admin Session Concurrency vulnerability (CVE-2026-21806) | |
| Weaknesses | CWE-557 | |
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| Metrics |
cvssV3_1
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Projects
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MITRE
Status: PUBLISHED
Assigner: HCL
Published:
Updated: 2026-09-18T11:12:24.764Z
Reserved: 2026-01-05T16:08:06.682Z
Link: CVE-2026-21806
Vulnrichment
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NVD
Status : Awaiting Analysis
Published: 2026-09-18T12:17:24.440
Modified: 2026-09-18T13:44:57.517
Link: CVE-2026-21806
Redhat
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OpenCVE Enrichment
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Weaknesses