CVE-2021-27241
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CVSS Score
V3.0EPSS Score
v2025.03.14There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.
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Impact Metrics
Description
This vulnerability allows local attackers to delete arbitrary directories on affected installations of Avast Premium Security 20.8.2429 (Build 20.8.5653.561). An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the AvastSvc.exe module. By creating a directory junction, an attacker can abuse the service to delete a directory. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-12082.
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Affected Versions:
GitHub Security Advisories
Community-driven vulnerability intelligence from GitHub
Advisory Details
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CVSS Score
References
Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 24, 2022