CVE-2020-10866 Explained : Impact and Mitigation
Discover the impact of CVE-2020-10866 in Avast Antivirus. Learn about the vulnerability allowing network interface enumeration and access point access. Find mitigation steps and prevention measures.
An issue was discovered in Avast Antivirus before version 20, allowing attackers to enumerate network interfaces and access points from a Low Integrity process via RPC.
Understanding CVE-2020-10866
What is CVE-2020-10866?
The vulnerability exists in the aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe).
The Impact of CVE-2020-10866
This vulnerability enables attackers to gather information about network interfaces and access points, potentially aiding in further attacks.
Technical Details of CVE-2020-10866
Vulnerability Description
The issue lies in Avast Antivirus before version 20, specifically in the aswTask RPC endpoint.
Affected Systems and Versions
- Product: Avast Antivirus
- Vendor: Avast
- Versions affected: Before version 20
Exploitation Mechanism
Attackers can exploit this vulnerability to enumerate network interfaces and access points from a Low Integrity process via RPC.
Mitigation and Prevention
Immediate Steps to Take
- Update Avast Antivirus to version 20 or newer.
- Monitor network activity for any suspicious behavior.
Long-Term Security Practices
- Regularly update antivirus software and all system components.
- Implement network segmentation to limit the impact of potential breaches.
Patching and Updates
Ensure timely installation of security patches and updates to prevent exploitation of known vulnerabilities.