CVE-2023-42124

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.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.zerodayinitiative.com/advisories/ZDI-23-1474/	Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-1474/	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:avast:premium_security:22.12.6044:*:*:*:*:*:*:*

History

13 Aug 2025, 12:17

Type	Values Removed	Values Added
First Time		Avast premium Security Avast
CVSS	v2 : ~~unknown~~ v3 : ~~5.3~~	v2 : unknown v3 : 7.8
References	~~() https://www.zerodayinitiative.com/advisories/ZDI-23-1474/ -~~	() https://www.zerodayinitiative.com/advisories/ZDI-23-1474/ - Third Party Advisory
CPE		cpe:2.3:a:avast:premium_security:22.12.6044:::::::*

Information

Published : 2024-05-03 03:15

Updated : 2025-08-13 12:17

NVD link : CVE-2023-42124

Mitre link : CVE-2023-42124

CVE.ORG link : CVE-2023-42124

JSON object : View

Products Affected

avast

premium_security

CWE

CWE-863

Incorrect Authorization

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