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CVE-2023-42124

7.8 · HIGH
Published May 3, 2024 avast CWE-863 EPSS 0.28% (20th pctl)

Overview

CVE-2023-42124 is a high-severity vulnerability affecting avast premium_security. It was published on May 3, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from avast. Update premium_security to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status

Frequently Asked Questions

What is CVE-2023-42124?

CVE-2023-42124 is a high-severity vulnerability affecting avast premium_security. It was published on May 3, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-42124?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-42124?

Check the references section for vendor advisories and patches from avast. Update premium_security to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-42124?

CyberStrike's AI-powered security agents can automatically detect CVE-2023-42124 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.