#VU56607 Improper Authentication

Published: 2021-09-15

Vulnerability identifier: #VU56607

Vulnerability risk: Medium

CVSSv3.1: 8.8 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-38412


Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
PortServer TS 16
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Digi International Inc.


The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote attacker on the local network can enable the SNMP service and manipulate the community strings to achieve further control.

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

Vulnerable software versions

PortServer TS 16: 82000684, 82000685


External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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

Latest bulletins with this vulnerability