CVE-2025-4134 (GCVE-0-2025-4134)

Vulnerability from cvelistv5 – Published: 2025-05-28 13:53 – Updated: 2025-05-28 14:06
VLAI?
Summary
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.
Severity ?
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-552 - Files or Directories Accessible to External Parties
Assigner
References
Impacted products
Vendor Product Version
Avast Avast Business Antivirus Affected: 4.5.1 (customLack of file validation in Avast Business Antivirus for Linux allows writing untrusted update files.)
Create a notification for this product.
Credits
FIS Securtiy Nông Hoàng Tú
Show details on NVD website
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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Detection rules are retrieved from Rulezet.