CVE-2025-4134
Lack of file validation in Avast Business Antivirus for Linux allows writing untrusted update files
- State
- Published
- Severity
- 7.3 High
- Published
- May 28, 2025
- Updated
- May 28, 2025
- Reserved
- Apr 30, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.3 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H | NLOK |
Weaknesses
- CWE-552 Files or Directories Accessible to External Parties
Affected Products
| Product | Versions |
|---|---|
Avast Business AntivirusAvast |
|
References
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