CVE-2023-0750 CRITICAL

CVE-2023-0750: Yellowbrik PEC-1864 authentication bypass

Vendor Lynx Technik Ag
Product Yellowbrik
Weakness CWE-602 · Client-side enforcement
Published April 6, 2023
Last update February 10, 2025

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Yellobrik PEC-1864 implements authentication checks via javascript in the frontend interface.  When the device can be accessed over the network an attacker could bypass authentication. This would allow an attacker to : - Change the password, resulting in a DOS of the users - Change the streaming source, compromising the integrity of the stream - Change the streaming destination, compromising the confidentiality of the stream This issue affects Yellowbrik: PEC 1864. No patch has been issued by the manufacturer as this model was discontinued.

Key dates

02Disclosure timeline

April 6, 2023 CVE published
February 10, 2025 Record updated