CVE-2020-10861

Name: CVE-2020-10861
Creator: NVD / NIST
Published: 2020-04-01T17:15:15.877+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.65%

Last modified Jun 17, 2026

CVE-2020-10861 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows attackers to achieve Arbitrary File Deletion from Avast Program Path via RPC, when Self Defense is Enabled.. EPSS estimates a 1.65% chance of exploitation in the next 30 days.

Description

An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows attackers to achieve Arbitrary File Deletion from Avast Program Path via RPC, when Self Defense is Enabled.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.65%

73.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Avast	Antivirus	< 20.0

References

https://forum.avast.com/index.php?topic=232420.0Release Notes, Vendor Advisory
https://forum.avast.com/index.php?topic=232423.0Release Notes, Vendor Advisory
https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.mdExploit, Third Party Advisory
https://forum.avast.com/index.php?topic=232420.0Release Notes, Vendor Advisory
https://forum.avast.com/index.php?topic=232423.0Release Notes, Vendor Advisory
https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.mdExploit, Third Party Advisory

Timeline

Published: Apr 1, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10861?

How severe is CVE-2020-10861?

CVE-2020-10861 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.65% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10861?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-10861?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST