Vulnerability · Published Jun 9, 2021 · Assigned by mitre
CVE-2020-27383
High 7.8
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.3%top 74.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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"