Is CVE-2023-42124 actively exploited?

No active exploitation of CVE-2023-42124 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-42124 be exploited remotely?

No. CVE-2023-42124 requires local access to exploit.

What is the CVSS score of CVE-2023-42124?

CVE-2023-42124 has a CVSS score of 7.8 (HIGH).

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HIGH

CVE-2023-42124

CWE-863Published: May 3, 2024· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

Avast Premium Security Sandbox Protection Incorrect Authorization Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Premium Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the implementation of the sandbox feature. The issue results from incorrect authorization. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code outside the sandbox at medium integrity.

. Was ZDI-CAN-20178.

NVD Source

Technical Analysis

CVE-2023-42124 requires local access, meaning attackers must already have a foothold on the target system.

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 7.8.