What’s Vulnerable › Vulnerabilities

CVE-2020-10860

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-04-01 · updated 2026-06-17
• Weakness: CWE-787

Description

An issue was discovered in Avast Antivirus before 20. An Arbitrary Memory Address Overwrite vulnerability in the aswAvLog Log Library results in Denial of Service of the Avast Service (AvastSvc.exe).

Affected products

• Avast Antivirus: before 20.0 — fixed in 20.0

How to fix

Upgrade to a fixed version: Avast Antivirus 20.0. Check the vendor advisory for mitigations.

References

• https://forum.avast.com/index.php?topic=232420.0
• https://forum.avast.com/index.php?topic=232423.0
• https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md
• https://forum.avast.com/index.php?topic=232420.0
• https://forum.avast.com/index.php?topic=232423.0
• https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md

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