HCL BigFix Platform Client is affected by a Privilege Escalation Vulnerability
Priority LOW 33CWE-269Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-269.
Summary
The BigFix Client installer is created with InstallShield, which was affected by CVE-2021-41526, a vulnerability that could allow a local user to perform a privilege escalation. This vulnerability was resolved by updating to an InstallShield version with the underlying vulnerability fixed.
Why it matters now
EPSS 0.00195 9th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| HCL Software | BigFix Platform | 9.5 - 9.5.18, 10 - 10.0.5 | — | No fix listed | CNA |
- BigFix Platform VendorHCL Software Affected 9.5 - 9.5.18, 10 - 10.0.5 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hcltech:bigfix_platform:*:*:*:*:*:*:*:* | 9.5 – 9.5.18; 10 – 10.0.5 | Vulnerable | HCL Software |
- cpe:2.3:a:hcltech:bigfix_platform:*:*:*:*:*:*:*:* Versions 9.5 – 9.5.18; 10 – 10.0.5 Vulnerable ·HCL Software
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27766
- 2026-10-03 Alias added: GHSA-xw39-fhvp-3jj6
References
More HCL Software Bigfix Platform vulnerabilities
- TI-2023-19135 HCL BigFix Platform is vulnerable to an integer overflow in xerces-c++ 3.2.3 CVSS 3.1HIGH 8.8
- TI-2021-09159 HCL BigFix Platform is affected by misconfigured security-related HTTP headers CVSS 3.1CRITICAL 9.8
- TI-2024-15584 HCL BigFix Platform is susceptible to Cross-Site Request Forgery CVSS 3.1HIGH 8.8
- TI-2026-17523 Incorrect default permissions in HCL Software BigFix Platform CVSS 3.1HIGH 8.8
- TI-2022-18192 HCL BigFix Platform is affected by insecure credential storage CVSS 3.1HIGH 7.8
- TI-2022-10547 HCL BigFix Web Reports authorized users may see sensitive information in clear text CVSS 3.1MEDIUM 6.5
Sources
- CVE-2021-27766 · CVE Program
- CVE-2021-27766 · NVD
- FIRST EPSS
- GHSA-xw39-fhvp-3jj6 · GitHub Advisory Database · CC BY 4.0
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