CVE-2020-28221 json
A CWE-20: Improper Input Validation vulnerability exists in EcoStruxure™ Operator Terminal Expert and Pro-face BLUE (version details in the…
published 2021-01-25 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-20705
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
A CWE-20: Improper Input Validation vulnerability exists in EcoStruxure™ Operator Terminal Expert and Pro-face BLUE (version details in the notification) that could cause arbitrary code execution when the Ethernet Download feature is enable on the HMI.
Patch / fix
Exploit prediction
2.14% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Affected products
- n/a EcoStruxure™ Operator Terminal Expert 3.1 Service Pack 1A and prior running on Harmony HMIs HMIST6 Series, HMIG3U in HMIGTU Series, HMISTO Series and Pro-face BLUE 3.1 Service Pack 1A and prior running on Pro-face HMIs: ST6000 Series, SP-5B41 in SP5000 Series, GP4100 Series
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
se.com
/ww/en/download/document/SEVD-2021-012-01/
patch, vendor-advisory
Sources
- CVE List CVE-2020-28221
- NVD CVE-2020-28221
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