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CVE-2025-4134

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CVE-2025-4134

Published: May 28, 2025

Modified: May 28, 2025

PUBLISHED

CVSS v3.1

7.3

HIGH

Description

Lack of file validation in do_update_vps in Avast Business Antivirus for Linux 4.5 on Linux allows local user to spoof or tamper with the update file via an unverified file write.

VendorProductVersions

Avast

Avast Business Antivirus

affected
4.5.1

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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