Elevation of Privileges in Battle.net Client by Blizzard Entertainment
CVE-2020-27383

7.8HIGH

Key Information:

Vendor

Blizzard

Status
Battle.net
Vendor
CVE Published:
9 June 2021

What is CVE-2020-27383?

Battle.net's client suffers from a vulnerability that allows an authenticated user to exploit weak permissions, enabling them to replace the existing executable file with a binary of their choice. This flaw arises due to overly permissive settings granted to the Authenticated Users Group, which offers users 'Full Control', creating significant security risks.

References

https://github.com/FreySolarEye/CVE/blob/master/Battle%20...
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.