CVE-2026-21806 (GCVE-0-2026-21806)
Vulnerability from cvelistv5
Published
2026-09-18 11:12
Modified
2026-09-18 19:07
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-557 - Concurrency Issues
Summary
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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| HCL Software | HCL BigFix Service Management |
Version: Version 27 |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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