HCL BigFix Quantum Risk Analyzer is affected by a stack-based buffer overflow
Summary
| CVE | CVE-2026-21807 |
|---|---|
| State | PUBLISHED |
| Assigner | HCL |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-26 23:17:12 UTC |
| Updated | 2026-08-26 23:17:12 UTC |
| Description | HCL BigFix Quantum Risk Analyzer binary lacks several critical, industry-standard hardening protections that could allow an attacker to cause a stack-based buffer overflow. |
Risk And Classification
Primary CVSS: v3.1 3.9 LOW from [email protected]
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
Problem Types: CWE-121 | CWE-121 CWE-121 Stack-based buffer overflow
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 3.9 | LOW | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L |
| 3.1 | CNA | CVSS | 3.9 | LOW | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
HighPrivileges Required
HighUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
LowAvailability
LowCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | HCLSoftware | BigFix Quantum Risk Analyzer | affected 2.0.1.47 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| support.hcl-software.com/csm | [email protected] | support.hcl-software.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.