CVE-2020-10867

CRITICAL

Avast Antivirus < 20.0 - Unauthenticated Task Access Bypass via aswTask RPC Endpoint

Title source: llm
STIX 2.1

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 bypass intended access restrictions on tasks from an untrusted process, when Self Defense is enabled.

References (3)

Core 3
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://forum.avast.com/index.php?topic=232420.0
Release Notes, Vendor Advisory x_refsource_misc
https://forum.avast.com/index.php?topic=232423.0

Scores

CVSS v3 9.8
EPSS 0.0216
EPSS Percentile 79.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-668
Status published
Products (1)
avast/antivirus < 20.0
Published Apr 01, 2020
Tracked Since Feb 18, 2026