CVE-2021-45337
High
Description
Privilege escalation vulnerability in the Self-Defense driver of Avast Antivirus prior to 20.8 allows a local user with SYSTEM privileges to gain elevated privileges by "hollowing" process wsc_proxy.exe which could lead to acquire antimalware (AM-PPL) protection.
SeverityHigh
CVSS8.8
Exploit probability—
ProductAvast Antivirus
PublishedDec 27, 2021
First seenDec 27, 2021
How to fix
Update
- avast antivirus20.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| avast antivirus | v < 20.8 | 20.8 |
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