CVE-2025-4134 — HIGH (7.3) — White Hats Nepal

Vulnerability 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.

CVSS Score

7.3

HIGH

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

Related Weaknesses (CWE)

CWE-552

References

https://www.gendigital.com/us/en/contact-us/security-advisories/

FAQ

What is CVE-2025-4134?

CVE-2025-4134 is a vulnerability with a CVSS score of 7.3 (HIGH). 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.

How severe is CVE-2025-4134?

CVE-2025-4134 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-4134?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.