CVE-2021-43985
CVE-2021-43985 is a critical-severity vulnerability in Myscada Mypro with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-288.
Key facts
- Severity: Critical (CVSS 3.x base score 9.1)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (72nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-288
- Affected product: Myscada Mypro
- Published:
- Last modified:
Description
An unauthenticated remote attacker can access mySCADA myPRO Versions 8.20.0 and prior without any form of authentication or authorization.
Frequently asked questions
- What is CVE-2021-43985?
- An unauthenticated remote attacker can access mySCADA myPRO Versions 8.20.0 and prior without any form of authentication or authorization.
- How severe is CVE-2021-43985?
- CVE-2021-43985 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2021-43985 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-43985?
- CVE-2021-43985 affects Myscada Mypro. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-43985?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-43985 published?
- CVE-2021-43985 was published on 2021-12-23 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:myscada:mypro:*:*:*:*:*:*:*:*
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- CVE-2021-22657 — Critical (CVSS 10.0): mySCADA myPRO: Versions 8.20.0 and prior has a feature where the API password can be specified, which may allow an…
All CVEs affecting Myscada Mypro →
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