Vulnerability identifier: #VU53409

Vulnerability risk: High

CVSSv3.1: 8.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-20726

CWE-ID: CWE-427

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Overwolf Installer
Other software / Other software solutions

Vendor: Overwolf Ltd

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A remote attacker can place a specially crafted .dll file and execute arbitrary code on victim's system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Overwolf Installer: 2.168.0

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External links
http://jvn.jp/en/jp/JVN78254777/index.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.