CVE-2021-45337
First published: Mon Dec 27 2021(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Avast AntiVirus | <20.8 | |
| <20.8 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-45337?
CVE-2021-45337 is a privilege escalation vulnerability in the Self-Defense driver of Avast Antivirus prior to version 20.8.
How does CVE-2021-45337 work?
CVE-2021-45337 allows a local user with SYSTEM privileges to gain elevated privileges by 'hollowing' process wsc_proxy.exe.
What is the severity of CVE-2021-45337?
CVE-2021-45337 has a severity rating of 8.8 (high).
Which versions of Avast Antivirus are affected by CVE-2021-45337?
CVE-2021-45337 affects Avast Antivirus versions prior to 20.8.
How can I fix CVE-2021-45337?
To fix CVE-2021-45337, update Avast Antivirus to version 20.8 or later.
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