CVE-2021-38412

9.8 criticalEPSS 1.3%

Critical (9.8) in digi portserver ts 16 firmware. EPSS 1.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.3% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)
CWEs: CWE-306, CWE-287
Published: 2021-09-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

digi:portserver_ts_16_firmware

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-257-01
https://us-cert.cisa.gov/ics/advisories/icsa-21-257-01

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