Is CVE-2021-32928 actively exploited?

No active exploitation of CVE-2021-32928 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-32928 be exploited remotely?

Yes. CVE-2021-32928 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-32928?

CVE-2021-32928 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2021-32928

CWE-459Published: June 16, 2021· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2021-32928 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.