Is CVE-2021-38451 actively exploited?

No active exploitation of CVE-2021-38451 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-38451 be exploited remotely?

Yes. CVE-2021-38451 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-38451?

CVE-2021-38451 has a CVSS score of 5.7 (MEDIUM).

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MEDIUM

CVE-2021-38451

CWE-125Published: October 22, 2021· Updated: Jun 17, 2026

5.7

CVSS v3.1

Official Description

The affected product’s proprietary protocol CSC allows for calling numerous function codes. In order to call those function codes, the user must supply parameters. There is no sanitation on the value of the offset, which allows the client to specify any offset and read out-of-bounds data.

NVD Source

Technical Analysis

CVE-2021-38451 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), with a CVSS base score of 5.7.