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CVE-2023-42125

Published: May 3, 2024Updated: Aug 13, 2025 Sources: CVE List NVD BDUCWE-706
NVD MITRE
7.8CVSSHIGH
EPSS Score
0.4%
Top 68.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Avast Premium Security Sandbox Protection Link Following 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. By creating a symbolic link, an attacker can abuse the service to create arbitrary namespace objects. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. . Was ZDI-CAN-20383.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-706CWE-59

Affected Products

Premium SecurityAvast
On-prem
Security Products / endpoint-av-edr
premium securityavast
On-prem
Security Products / endpoint-av-edr
Avast Premium SecurityAvast Software sro
On-prem
Security Products / endpoint-av-edr
avastcommercialCZSecurity Productsaka avast antivirus, avast free antivirus
avast software srocommercialCZSecurity Productsaka avast antivirus, avast premium security, avast business antivirus for linux

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://www.zerodayinitiative.com/advisories/ZDI-23-1475/
zerodayinitiative.com

Timeline

Published
May 3, 2024
Last Updated
Aug 13, 2025

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