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Status published
High
CVE-2021-45336
Privilege escalation vulnerability in the Sandbox component of Avast Antivirus...
Vulnerability Description
Privilege escalation vulnerability in the Sandbox component of Avast Antivirus prior to 20.4 allows a local sandboxed code to gain elevated privileges by using system IPC interfaces which could lead to exit the sandbox and acquire SYSTEM privileges.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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CVE-2021-45339
Privilege escalation vulnerability in Avast Antivirus prior to 20.4 allows...
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7.8
CVE-2021-45338
Multiple privilege escalation vulnerabilities in Avast Antivirus prior to 20.4...
High
7.8
CVE-2021-45337
Privilege escalation vulnerability in the Self-Defense driver of Avast Antivirus...
High
8.8
Affected Vendor
avast
View all reports →Affected Software
antivirus
Vulnerable Versions:
0
Timeline
Official Publish:
December 27th, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.