Wiz
Vulnerability DatabaseCVE-2020-10864

CVE-2020-10864: 
Avast Antivirus vulnerability analysis and mitigation

Overview

An issue was discovered in Avast Antivirus before version 20. The vulnerability affects the aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe), which allows attackers to trigger a system reboot via RPC from a Low Integrity process. The vulnerability was disclosed on April 1, 2020, and is tracked as CVE-2020-10864 (NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 6.5 MEDIUM (Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) and a CVSS v2.0 Base Score of 5.0 MEDIUM (Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P). The issue specifically involves the aswTask RPC endpoint's ability to process reboot commands from low-integrity processes, which bypasses normal security restrictions (NVD, GitHub).

Impact

The vulnerability allows attackers to trigger unauthorized system reboots, which can lead to system availability issues and potential service disruptions. This can be particularly problematic in enterprise environments where system uptime is critical (NVD).

Mitigation and workarounds

The vulnerability was addressed in Avast Antivirus version 20. Users should upgrade to version 20 or later to mitigate this security issue (NVD).

Additional resources

Source: This report was generated using AI

Related Avast Antivirus vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-8351CRITICAL9
  • Avast AntivirusAvast Antivirus
  • cpe:2.3:a:avast:antivirus
NoYesDec 01, 2025
CVE-2025-13032HIGH7.8
  • Avast AntivirusAvast Antivirus
  • cpe:2.3:a:avast:antivirus
NoYesNov 11, 2025
CVE-2025-7007HIGH7.5
  • Avast AntivirusAvast Antivirus
  • cpe:2.3:a:avast:antivirus
NoNoDec 01, 2025
CVE-2024-9484MEDIUM5.5
  • AVG AntivirusAVG Antivirus
  • cpe:2.3:a:avast:antivirus
NoYesOct 04, 2024
CVE-2024-9483MEDIUM5.5
  • AVG AntivirusAVG Antivirus
  • cpe:2.3:a:avast:antivirus
NoYesOct 04, 2024

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Additional Wiz resources

Cloud Vulnerability DB

Cloud Vulnerability DB

A community-led vulnerabilities database

Cloud Threat Landscape

Cloud Threat Landscape

A threat intelligence database

PEACH

PEACH

A tenant isolation framework

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management
Get a demo