CVE-2026-21810: CWE-494 Download of code without integrity check in HCLSoftware BigFix Quantum Risk Analyzer
Description
CVE-2026-21810 affects HCL BigFix Quantum Risk Analyzer version 2.0.1.47 and involves a hardcoded external resource reference combined with a lack of binary integrity checks. This vulnerability could allow an attacker with high privileges to modify the binary, potentially leading to unauthorized code changes. The CVSS score is 4.4, indicating a medium severity level. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
CVSS v3.1
Score 4.4medium
Affected software
HCLSoftware
BigFix Quantum Risk Analyzer
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
HCL BigFix Quantum Risk Analyzer version 2.0.1.47 is vulnerable due to a hardcoded external resource reference and absence of binary integrity verification. This weakness (CWE-494 and CWE-610) could enable an attacker with high privileges to alter the binary, potentially compromising the integrity of the software. The vulnerability does not impact confidentiality but affects integrity, with no reported impact on availability. The CVSS 3.1 vector is AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N, reflecting local attack vector, low complexity, high privileges required, no user interaction, unchanged scope, no confidentiality impact, high integrity impact, and no availability impact. No vendor advisory or patch is currently available.
Potential Impact
An attacker with high privileges on the local system could exploit this vulnerability to modify the binary of BigFix Quantum Risk Analyzer, potentially leading to unauthorized code execution or tampering. There is no impact on confidentiality or availability reported. No known active exploitation has been observed.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to trusted users with high privileges and monitor for unauthorized modifications to the binary.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- HCL
- Date Reserved
- 2026-01-05T16:08:06.683Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a8f63b0acd9273b4970b508
Added to database: 08/26/2026, 22:07:44 UTC
Last enriched: 09/10/2026, 09:53:28 UTC
Last updated: 10/11/2026, 06:48:15 UTC
Views: 104
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