CVE-2025-4134

May 28, 2025, 3:01 p.m.

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.

Product(s) Impacted

Vendor Product Versions
Avast
  • Business Antivirus Linux
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-552
Files or Directories Accessible to External Parties
The product makes files or directories accessible to unauthorized actors, even though they should not be.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a avast business_antivirus_linux / / / / / / / /

CVSS Score

7.3 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

    View Vector String

Timeline

Published: May 28, 2025, 2:15 p.m.
Last Modified: May 28, 2025, 3:01 p.m.

Status : Awaiting Analysis

CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

More info

Source

security@nortonlifelock.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.