CVE-2025-4134

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.

Affected Software

VendorProductVersion RangeStatus
AvastAvast Business Antivirus4.5.1affected

Weaknesses

  • CWE-552: CWE-552 Files or Directories Accessible to External Parties

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References