CVE-2021-45339
First published: Mon Dec 27 2021(Updated: )
Privilege escalation vulnerability in Avast Antivirus prior to 20.4 allows a local user to gain elevated privileges by "hollowing" trusted process which could lead to the bypassing of Avast self-defense.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Avast AntiVirus | <20.4 | |
| <20.4 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-45339?
CVE-2021-45339 is a privilege escalation vulnerability in Avast Antivirus prior to version 20.4.
How does CVE-2021-45339 work?
CVE-2021-45339 allows a local user to gain elevated privileges by "hollowing" trusted process, which can bypass Avast self-defense mechanisms.
What is the severity of CVE-2021-45339?
CVE-2021-45339 has a severity score of 7.8 (high).
How can I fix CVE-2021-45339?
To fix CVE-2021-45339, update Avast Antivirus to version 20.4 or later.
Where can I find more information about CVE-2021-45339?
You can find more information about CVE-2021-45339 on the Avast website and the GitHub page linked in the references.
- collector/nvd-index
- agent/references
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- collector/mitre-cve
- source/MITRE
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- agent/software-canonical-lookup
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- canonical/avast antivirus