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.
Metrics
CVSS 3.1 9.8/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://forum.avast.com/index.php?topic=232420.0Release Notes, Vendor Advisory
- https://forum.avast.com/index.php?topic=232423.0Release Notes, Vendor Advisory
- https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.mdExploit, Third Party Advisory
- https://forum.avast.com/index.php?topic=232420.0Release Notes, Vendor Advisory
- https://forum.avast.com/index.php?topic=232423.0Release Notes, Vendor Advisory
- https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.mdExploit, Third Party Advisory
Timeline
- Published
- Apr 1, 2020
- Last modified
- Jun 17, 2026
- NVD status
- Modified