CVE-2020-20118

MediumCVSS 5.5/10Last modified Jul 9, 2026

Description

Buffer Overflow vulnerability in Avast AntiVirus before v.19.7 allows a local attacker to cause a denial of service via a crafted request to the aswSnx.sys driver.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-120

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://gitlab.com/yongchuank/avast-aswsnx-ioctl-82ac0060-oob-writePatch, Third Party Advisory
https://gitlab.com/yongchuank/avast-aswsnx-ioctl-82ac0060-oob-writePatch, Third Party Advisory

Timeline

Published: Jul 11, 2023
Last modified: Jul 9, 2026
NVD status: Modified

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