01 Record
CVE-2021-38412
Digi PortServer TS 16 Improper Authentication
CriticalPUBLISHEDCNA: icscert
CNA base score9.6 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
02 Description
Digi PortServer TS 16 Improper Authentication
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.34% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 70.9% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-09-17 19:07Z5 YR AGO
- Last updated
- 2024-09-17 00:06Z2 YR AGO
- Reserved
- 2021-08-10
- Assigning CNA
- icscert
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.6)
- CNA CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
- Weaknesses
- Data version
- 5.1
- Document digest
- f3933df8b8cca686d650ba49b9233eb490d5144ad9ac447f77413f6dacab6f3f
05 Affected products
VendorProductVersionsPlatforms
06 References
- us-cert.cisa.govhttps://us-cert.cisa.gov/ics/advisories/icsa-21-257-01
07 Remediation
The PortServer TS 16 product was discontinued in 2016. Per Digi’s security support, the device software and hardware support of 5 years has passed. Digi recommends upgrading to a new supported product. If this is not possible, extended support may be available by contacting Digi directly.