CVE-2021-42809
The Sentinel Protection Installer 7.7.0 does not properly restrict loading Dynamic Link Library
Improper Access Control of Dynamically-Managed Code Resources (DLL) in Thales Sentinel Protection Installer could allow the execution of arbitrary code.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
The Sentinel Protection Installer 7.7.0 does not properly restrict loading Dynamic Link Library
Improper Access Control of Dynamically-Managed Code Resources (DLL) in Thales Sentinel Protection Installer could allow the execution of arbitrary code.
- Record
CVE-2021-42809- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-913
- Updated
- 2026-11-02
EUVDEUVD-2021-29765
Improper Access Control of Dynamically-Managed Code Resources (DLL) in Thales Sentinel Protection Installer could allow the execution of arbitrary code.
- Record
EUVD-2021-29765- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qqf6-7934-8vv8 No score
Improper Access Control of Dynamically-Managed Code Resources (DLL) in Thales Sentinel Protection...
Improper Access Control of Dynamically-Managed Code Resources (DLL) in Thales Sentinel Protection Installer could allow the execution of arbitrary code.
- Record
GHSA-qqf6-7934-8vv8- Weakness
- CWE-913
- Updated
- 2026-11-02
NVD
Improper Access Control of Dynamically-Managed Code Resources (DLL) in Thales Sentinel Protection Installer could allow the execution of arbitrary code.
- Record
CVE-2021-42809- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.9 Medium
AV:L/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-913
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-42809 is a medium vulnerability (CVSS 6.5) in Thales Sentinel Protection Installer, published December 20, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 23rd percentile. No source names a fixed version.