CVE-2021-43989
mySCADA myPRO
mySCADA myPRO Versions 8.20.0 and prior stores passwords using MD5, which may allow an attacker to crack the previously retrieved password hashes.
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
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
mySCADA myPRO
mySCADA myPRO Versions 8.20.0 and prior stores passwords using MD5, which may allow an attacker to crack the previously retrieved password hashes.
- Record
CVE-2021-43989- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-916
- Updated
- 2026-11-02
EUVDEUVD-2021-30850
mySCADA myPRO Versions 8.20.0 and prior stores passwords using MD5, which may allow an attacker to crack the previously retrieved password hashes.
- Record
EUVD-2021-30850- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5xc5-crm5-w93r
mySCADA myPRO Versions 8.20.0 and prior stores passwords using MD5, which may allow an attacker...
mySCADA myPRO Versions 8.20.0 and prior stores passwords using MD5, which may allow an attacker to crack the previously retrieved password hashes.
- Record
GHSA-5xc5-crm5-w93r- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-327, CWE-916
- Updated
- 2026-11-02
NVD
mySCADA myPRO Versions 8.20.0 and prior stores passwords using MD5, which may allow an attacker to crack the previously retrieved password hashes.
- Record
CVE-2021-43989- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-916, CWE-327
- 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-2021-43989 is a high vulnerability (CVSS 7.5) 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 0.69%, the 53rd percentile. No source names a fixed version.