Vulnerabilities > CVE-2020-27383 - Improper Preservation of Permissions vulnerability in Blizzard Battle.Net 1.27.1.12428

047910
CVSS 4.6 - MEDIUM
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
PARTIAL
Availability impact
PARTIAL
local
low complexity
blizzard
CWE-281

Summary

Battle.net.exe in Battle.Net 1.27.1.12428 suffers from an elevation of privileges vulnerability which can be used by an "Authenticated User" to modify the existing executable file with a binary of his choice. The vulnerability exist due to weak set of permissions being granted to the "Authenticated Users Group" which grants the (F) Flag aka "Full Control"

Vulnerable Configurations

Part Description Count
Application
Blizzard
1

Common Weakness Enumeration (CWE)