CVE-2021-43989
HIGHCVSS 7.5/10EPSS 0.65%
Last modified
CVE-2021-43989 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. mySCADA myPRO Versions 8.20.0 and prior stores passwords using MD5, which may allow an attacker to crack the previously retrieved password hashes.. EPSS estimates a 0.65% chance of exploitation in the next 30 days.
Description
mySCADA myPRO Versions 8.20.0 and prior stores passwords using MD5, which may allow an attacker to crack the previously retrieved password hashes.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Myscada | Mypro | <= 8.20.0 |
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-01Third Party Advisory, US Government Resource
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-01Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-43989?
mySCADA myPRO Versions 8.20.0 and prior stores passwords using MD5, which may allow an attacker to crack the previously retrieved password hashes.
How severe is CVE-2021-43989?
CVE-2021-43989 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.
How do I fix CVE-2021-43989?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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Are you affected by CVE-2021-43989?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST