CVE-2025-4134

—

CVSS 3.1

7.3 high

EPSS

<1%p11

Published

May 28, 2025 (May 28, 2025)

Modified

Jun 17, 2026

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.

Weakness: CWE-552
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.2%)

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