CVSS 3.1 Score 5.5 of 10 (medium)


Published Jul 11, 2023
Updated: Jul 18, 2023
CWE ID 120


CVE-2020-20118 is a Buffer Overflow vulnerability found in Avast AntiVirus before version 19.7. It affects various products such as bvBRoL, bvBRoN, atlPBy, and more. This vulnerability allows a local attacker to cause a denial of service by sending a specially crafted request to the aswSnx.sys driver. The risk score is 26, indicating a medium severity level. To remediate the issue, it is recommended to update Avast AntiVirus to version 19.7 or later. The potential danger it poses to an organization includes the possibility of an attacker exploiting the vulnerability to disrupt Avast AntiVirus functionality and potentially compromise the security of the system.

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