CVE-2021-43985
mySCADA myPRO
An unauthenticated remote attacker can access mySCADA myPRO Versions 8.20.0 and prior without any form of authentication or authorization.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
9.1
mySCADA myPRO
An unauthenticated remote attacker can access mySCADA myPRO Versions 8.20.0 and prior without any form of authentication or authorization.
- Record
CVE-2021-43985- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-288
- Updated
- 2026-11-02
EUVDEUVD-2021-30846
9.1
An unauthenticated remote attacker can access mySCADA myPRO Versions 8.20.0 and prior without any form of authentication or authorization.
- Record
EUVD-2021-30846- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qv9f-35vh-j998 No score
An unauthenticated remote attacker can access mySCADA myPRO Versions 8.20.0 and prior without any...
An unauthenticated remote attacker can access mySCADA myPRO Versions 8.20.0 and prior without any form of authentication or authorization.
- Record
GHSA-qv9f-35vh-j998- Weakness
- CWE-288
- Updated
- 2026-11-02
NVD
9.1
An unauthenticated remote attacker can access mySCADA myPRO Versions 8.20.0 and prior without any form of authentication or authorization.
- Record
CVE-2021-43985- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - 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 - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-288
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-43985 is a critical vulnerability (CVSS 9.1) in Myscada Mypro, published December 23, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.65%, the 76th percentile. No source names a fixed version.