Vulnerabilities > CVE-2021-45338 - Unspecified vulnerability in Avast Antivirus
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
Multiple privilege escalation vulnerabilities in Avast Antivirus prior to 20.4 allow a local user to gain elevated privileges by calling unnecessarily powerful internal methods of the main antivirus service which could lead to the (1) arbitrary file delete, (2) write and (3) reset security.
Vulnerable Configurations
References
- https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST1.2
- https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST1.3
- https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST1.1
- https://www.avast.com/hacker-hall-of-fame/en/researcher-david-eade-reports-antitrack-bug-to-avast-0