CVE-2021-43987 json
mySCADA myPRO
published 2021-12-23 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30848
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
An additional, nondocumented administrative account exists in mySCADA myPRO Versions 8.20.0 and prior that is not exposed through the web interface, which cannot be deleted or changed through the regular web interface.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-21-355-01 updated cvss 9.8
mySCADA myPRO
-
mySCADA myPRO <= 8.20.0affected: mitigation “mySCADA recommends users upgrade to Version 8.22.0 or higher. For more information, contact mySCADA technical support.” myscada.org
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
1.25% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 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 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- mySCADA myPRO
Classification
- Weakness
-
- CWE-912 Hidden Functionality
References
-
cisa.gov
/uscert/ics/advisories/icsa-21-355-01
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2021-43987
- NVD CVE-2021-43987
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.