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Fencer Intel
high 7.5

CVE-2021-43989 json

mySCADA myPRO

published 4y ago modified 4mo ago also EUVD-2021-30850

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

mySCADA myPRO Versions 8.20.0 and prior stores passwords using MD5, which may allow an attacker to crack the previously retrieved password hashes.

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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 7.5

mySCADA myPRO

  • mySCADA myPRO <= 8.20.0
    affected: 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

0.69% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • mySCADA myPRO

Classification

Weakness
  • CWE-916 Use of Password Hash With Insufficient Computational Effort
  • CWE-327 Use of a Broken or Risky Cryptographic Algorithm

References

Sources

Fencer Intel 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.