Is CVE-2021-38467 actively exploited?

No active exploitation of CVE-2021-38467 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-38467 be exploited remotely?

Yes. CVE-2021-38467 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-38467?

CVE-2021-38467 has a CVSS score of 8.1 (HIGH).

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HIGH

CVE-2021-38467

CWE-416Published: October 22, 2021· Updated: Jun 17, 2026

8.1

CVSS v3.1

Official Description

A specific function code receives a raw pointer supplied by the user and deallocates this pointer. The user can then control what memory regions will be freed and cause use-after-free condition.

NVD Source

Technical Analysis

CVE-2021-38467 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 full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.1.

From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.