Wiz
Vulnerability DatabaseCVE-2020-10862

CVE-2020-10862: 
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 achieve Local Privilege Escalation (LPE) via RPC (NVD, GitHub Advisory).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. The vulnerability specifically exists in the RPC endpoint functionality of the Avast Service, where improper validation of RPC calls could allow privilege escalation (NVD).

Impact

The vulnerability allows attackers with local access to escalate privileges to SYSTEM level, potentially gaining full control over the affected system. This could lead to unauthorized access to sensitive system resources and complete compromise of the system security (GitHub Advisory).

Mitigation and workarounds

The vulnerability has been fixed in Avast Antivirus version 20 and later. Users are advised to update their Avast Antivirus installations to the latest version to protect against this vulnerability (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