#VU48582 Authentication bypass using an alternate path or channel

Published: 2020-11-21

Vulnerability identifier: #VU48582

Vulnerability risk: Medium

CVSSv3: 5.9 [CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-28333


Exploitation vector: Network

Exploit availability: No

Vulnerable software: wePresent WiPG-1600W
Hardware solutions / Office equipment, IP-phones, print servers

Vendor: Barco


The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the way firmware handles authenticated sessions. The session token is passed via the HTTP GET "SEID" parameter. A remote attacker can obtain the session token via browser's HTTP Referer header and gain unauthorized access to the device.

Install updates from vendor's website.

Vulnerable software versions

wePresent WiPG-1600W:


External links

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.

Latest bulletins with this vulnerability