Directory Deletion Vulnerability in Avast Premium Security by Avast
CVE-2021-27241
6.1MEDIUM
What is CVE-2021-27241?
This vulnerability in Avast Premium Security enables local attackers to delete arbitrary directories by leveraging the AvastSvc.exe module. Once low-privileged code execution is achieved on the target system, an attacker can create a directory junction to exploit this flaw. This may lead to a denial-of-service condition, effectively interrupting operations on affected installations.
Affected Version(s)
Premium Security 20.8.2429 (Build 20.8.5653.561)
References
CVSS V3.1
Score:
6.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved
Credit
Abdelhamid Naceri