Is CVE-2021-38473 actively exploited?

No active exploitation of CVE-2021-38473 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-38473 be exploited remotely?

Yes. CVE-2021-38473 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-38473?

CVE-2021-38473 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2021-38473

CWE-119Published: October 22, 2021· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

The affected product’s code base doesn’t properly control arguments for specific functions, which could lead to a stack overflow.

NVD Source

Technical Analysis

CVE-2021-38473 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.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.