CVE-2021-32928
The Sentinel LDK Run-Time Environment installer (Versions 7.6 and prior) adds a firewall rule...
The Sentinel LDK Run-Time Environment installer (Versions 7.6 and prior) adds a firewall rule named “Sentinel License Manager” that allows incoming connections from private networks using TCP Port 1947. While uninstalling, the uninstaller fails to close Port 1947.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The Sentinel LDK Run-Time Environment installer (Versions 7.6 and prior) adds a firewall rule named “Sentinel License Manager” that allows incoming connections from private networks using TCP Port 1947. While uninstalling, the uninstaller fails to close Port 1947.
- Record
CVE-2021-32928- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-459
- Updated
- 2026-11-02
CVE List No score
The Sentinel LDK Run-Time Environment installer (Versions 7.6 and prior) adds a firewall rule named “Sentinel License Manager” that allows incoming connections from private networks using TCP Port 1947. While uninstalling, the uninstaller fails to close Port 1947.
- Record
CVE-2021-32928- Weakness
- CWE-459
- Updated
- 2026-11-02
EUVDEUVD-2021-19649 No score
The Sentinel LDK Run-Time Environment installer (Versions 7.6 and prior) adds a firewall rule named “Sentinel License Manager” that allows incoming connections from private networks using TCP Port 1947. While uninstalling, the uninstaller fails to close Port 1947.
- Record
EUVD-2021-19649- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pc4g-vw4w-2pmh
The Sentinel LDK Run-Time Environment installer (Versions 7.6 and prior) adds a firewall rule...
The Sentinel LDK Run-Time Environment installer (Versions 7.6 and prior) adds a firewall rule named “Sentinel License Manager” that allows incoming connections from private networks using TCP Port 1947. While uninstalling, the uninstaller fails to close Port 1947.
- Record
GHSA-pc4g-vw4w-2pmh- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-459
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-32928 is a critical vulnerability (CVSS 9.8) in Thales Sentinel Ldk Run-time Environment, published June 16, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.25%, the 69th percentile. No source names a fixed version.