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TI-2021-16016 Aliases CVE-2021-38412GHSA-5h3v-8m6q-48c4

Digi PortServer TS 16 Improper Authentication

Priority MEDIUM 45CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

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.

Why it matters now

EPSS 0.01342 71st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Digi InternationalPortServer TS 16Firmware – 82000684—No fix listedCNA
  • PortServer TS 16 VendorDigi International Affected Firmware – 82000684 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:digi:portserver_ts_16_firmware:82000684:*:*:*:*:*:*:*82000684VulnerableDigi
cpe:2.3:o:digi:portserver_ts_16_firmware:82000685:*:*:*:*:*:*:*82000685VulnerableDigi
cpe:2.3:h:digi:portserver_ts_16:-:*:*:*:*:*:*:*not specified by NVDRunning onDigi
  • cpe:2.3:o:digi:portserver_ts_16_firmware:82000684:*:*:*:*:*:*:* Versions 82000684 Vulnerable ·Digi
  • cpe:2.3:o:digi:portserver_ts_16_firmware:82000685:*:*:*:*:*:*:* Versions 82000685 Vulnerable ·Digi
  • cpe:2.3:h:digi:portserver_ts_16:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Digi

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-38412
  2. 2026-10-03 Alias added: GHSA-5h3v-8m6q-48c4

References

Advisory 1

  • TI-2026-65863 OS Command Injection in Digi Accelerated Linux (DAL OS) CVSS 4.0CRITICAL 9.4
  • TI-2025-03222 Improper authentication handling for Digi PortServer TS; Digi One SP, SP IA, IA; Digi One IAP CVSS 4.0CRITICAL 9.4
  • TI-2023-03975 Digi RealPort Protocol Use of Password Hash Instead of Password for Authentication CVSS 3.1CRITICAL 9.0
  • TI-2006-04307 Integer overflow in AnywhereUSB/5 1.80.00 allows local users to cause a denial of service… CVSS 2.0HIGH 7.5
  • TI-2026-10612 Incorrect authorization in Digi International PortServer TS 1/2/4 CVSS 3.1MEDIUM 5.9
  • TI-2026-11021 Stored cross-site scripting (XSS) in Digi PortServer TS CVSS 4.0MEDIUM 4.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences