Improper Authentication in Digi PortServer TS 16
| Risk | Medium |
| Patch available | NO |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-38412 |
| CWE-ID | CWE-287 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software |
PortServer TS 16 Hardware solutions / Routers & switches, VoIP, GSM, etc |
| Vendor | Digi International Inc. |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Improper Authentication
EUVDB-ID: #VU56607
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
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe 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.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsPortServer TS 16: 82000684 - 82000685
CPE2.3- cpe:2.3:h:digi_international:portserver_ts_16:82000684:*:*:*:*:*:*:
- cpe:2.3:h:digi_international:portserver_ts_16:82000685:*:*:*:*:*:*:
http://ics-cert.us-cert.gov/advisories/icsa-21-257-01
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).
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
