Is CVE-2021-22908 actively exploited?

No active exploitation of CVE-2021-22908 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-22908 be exploited remotely?

Yes. CVE-2021-22908 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-22908?

CVE-2021-22908 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2021-22908

CWE-120Published: May 27, 2021· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

A buffer overflow vulnerability exists in Windows File Resource Profiles in 9.X allows a remote authenticated user with privileges to browse SMB shares to execute arbitrary code as the root user. As of version 9.1R3, this permission is not enabled by default.

NVD Source

Technical Analysis

CVE-2021-22908 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

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 8.8.