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Medium severity5.5NVD Advisory· Published Jul 11, 2023· Updated Jul 9, 2026

CVE-2020-20118

CVE-2020-20118

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.

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Affected products

3
  • Avast\!/Antivirus3 versions
    cpe:2.3:a:avast:antivirus:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:avast:antivirus:*:*:*:*:*:*:*:*range: <19.7
    • (no CPE)
    • (no CPE)range: <19.7

Patches

Vulnerability mechanics

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