CVE-2021-45337

Privilege escalation vulnerability in the Self-Defense driver of Avast Antivirus prior to 20.8 allows a local user with SYSTEM privileges to gain elevated privileges by "hollowing" process wscproxy.exe which could lead to acquire antimalware AM-PPL protection...

CVE-2021-45336

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...

CVE-2021-45336

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...

CVE-2021-45336

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...

CVE-2021-45337

Privilege escalation vulnerability in the Self-Defense driver of Avast Antivirus prior to 20.8 allows a local user with SYSTEM privileges to gain elevated privileges by "hollowing" process wscproxy.exe which could lead to acquire antimalware AM-PPL protection...

CVE-2021-45335

Sandbox component in Avast Antivirus prior to 20.4 has an insecure permission which could be abused by local user to control the outcome of scans, and therefore evade detection or delete arbitrary system files...

CVE-2021-45335

Sandbox component in Avast Antivirus prior to 20.4 has an insecure permission which could be abused by local user to control the outcome of scans, and therefore evade detection or delete arbitrary system files...

Privilege escalation

Privilege escalation vulnerability in Avast Antivirus prior to 20.4 allows a local user to gain elevated privileges by "hollowing" trusted process which could lead to the bypassing of Avast self-defense...

Privilege escalation

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...

Code injection

Sandbox component in Avast Antivirus prior to 20.4 has an insecure permission which could be abused by local user to control the outcome of scans, and therefore evade detection or delete arbitrary system files...

Privilege escalation

Privilege escalation vulnerability in the Self-Defense driver of Avast Antivirus prior to 20.8 allows a local user with SYSTEM privileges to gain elevated privileges by "hollowing" process wscproxy.exe which could lead to acquire antimalware AM-PPL protection...

Privilege escalation

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...

CVE-2021-45339

Privilege escalation vulnerability in Avast Antivirus prior to 20.4 allows a local user to gain elevated privileges by "hollowing" trusted process which could lead to the bypassing of Avast self-defense...

CVE-2021-45339

CVE-2021-45339 affects Avast Antivirus prior to version 20.4. The vulnerability is a local privilege-escalation via “hollowing” a trusted process, potentially bypassing Avast self-defense and giving a local attacker elevated privileges. The only documented remediation is upgrading to Avast Antivi...

CVE-2021-45338

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...

CVE-2021-45338

CVE-2021-45338 describes multiple local privilege escalation vulnerabilities in Avast Antivirus prior to 20.4. A local attacker could gain elevated privileges by invoking unnecessarily powerful internal methods of the main antivirus service, potentially leading to arbitrary file deletion, writing...

CVE-2021-45337

CVE-2021-45337 describes a local privilege escalation in Avast Antivirus via the Self‑Defense driver. Before version 20.8, a local user with SYSTEM privileges could hollow out the process wsc_proxy.exe to gain elevated privileges, potentially enabling full antimalware (AM‑PPL) protection. Affecte...

CVE-2021-45337

Privilege escalation vulnerability in the Self-Defense driver of Avast Antivirus prior to 20.8 allows a local user with SYSTEM privileges to gain elevated privileges by "hollowing" process wscproxy.exe which could lead to acquire antimalware AM-PPL protection...

CVE-2021-45336

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...

CVE-2021-45336

Summary: CVE-2021-45336 is a privilege-escalation flaw in Avast Antivirus’s Sandbox component. Local, sandboxed code could gain elevated privileges by abusing system IPC interfaces, potentially exiting the sandbox to obtain SYSTEM privileges. Affected versions: Avast Antivirus prior to 20.4. Impa...