CVE-2020-10867: avast antivirus Exposure of Resource to Wrong Sphere

Vulnerability summary

CVE-2020-10867 is a critical (CVSS 9.8) Exposure of Resource to Wrong Sphere vulnerability in avast antivirus. EPSS estimates a 2.22% chance of exploitation in the next 30 days, higher than 82.3% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 01-04-2020
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-668Exposure of Resource to Wrong SphereThe product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.