Avast Avg Antivirus vulnerabilities

3 vulnerabilities

Known vulnerabilities in Avast Avg Antivirus, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

5.5CVE-2020-13657avastavg_antivirus+1
EPSS score
0.41%
An elevation of privilege vulnerability exists in Avast Free Antivirus and AVG AntiVirus Free before 20.4 due to improperly handling hard links. The vulnerability allows local users to take control of arbitrary files.8.8CVE-2022-4173avastavast+2
EPSS score
0.73%
A vulnerability within the malware removal functionality of Avast and AVG Antivirus allowed an attacker with write access to the filesystem, to escalate his privileges in certain scenarios. The issue was fixed with Avast and AVG Antivirus version 22.10.8.2CVE-2023-5760avastavg_antivirus+1
EPSS score
0.19%
A time-of-check to time-of-use (TOCTOU) bug in handling of IOCTL (input/output control) requests. This TOCTOU bug leads to an out-of-bounds write vulnerability which can be further exploited, allowing an attacker to gain full local privilege escalation on the system.This issue affects Avast/Avg Antivirus: 23.8.