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CVE-2021-38412

Digi PortServer TS 16 Improper Authentication

CRITICAL
9.8
CVSS Score
Published: September 17, 2021 at 07:07 PM UTC
Updated: June 17, 2026 at 04:02 AM UTC
2 products affected across 1 vendorPortserver Ts 16 FirmwarePortserver Ts 16

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Severity
CRITICAL9.8
Exploit prediction
EPSS 1%

Description

Properly formatted POST requests to multiple resources on the HTTP and HTTPS web servers of the Digi PortServer TS 16 Rack device do not require authentication or authentication tokens. This vulnerability could allow an attacker to enable the SNMP service and manipulate the community strings to achieve further control in.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Portserver Ts 16 Firmware· Digi
95%
Firmware ≤ v ≤ 820006848200068482000685Firmware
digi-portserver-ts-16 (same device)
Portserver Ts 16· Digidevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCThird Party AdvisoryUS Government Resource
Source: [email protected]
https://us-cert.cisa.gov/ics/advisories/icsa-21-257-01

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287CWE-306

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