CVE-2021-45337

Published: Dic 27, 2021 Last Modified: Nov 21, 2024 EU-VD ID: EUVD-2021-32110 Aliases: GSD-2021-45337
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,8
Source: [email protected]
Attack Vector: local
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: high
HIGH 7,2
Source: [email protected]
Access Vector: local
Access Complexity: low
Authentication: none
Confidentiality: complete
Integrity: complete
Availability: complete

Description

AI Translation Available

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 wsc_proxy.exe which could lead to acquire antimalware (AM-PPL) protection.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0007
Percentile
0,2th
Updated

EPSS Score Trend (Last 91 Days)

Application

Antivirus by Avast

Product Information
Vendor Avast
Product Antivirus
Version Range Affected
To 20.8 (exclusive)
cpe:2.3:a:avast:antivirus:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/the-deniss/Vulnerability-Disclosures/tre…
Exploit Third Party Advisory
https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST…
https://www.avast.com/hacker-hall-of-fame/en/researcher-dav…
Vendor Advisory
https://www.avast.com/hacker-hall-of-fame/en/researcher-david-eade-reports-anti…
https://github.com/the-deniss/Vulnerability-Disclosures/tre…
Exploit Third Party Advisory
https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST…
https://www.avast.com/hacker-hall-of-fame/en/researcher-dav…
Vendor Advisory
https://www.avast.com/hacker-hall-of-fame/en/researcher-david-eade-reports-anti…