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Vulnerability record · CVE-2021-22657 · published 23 December 2021

CVE-2021-22657: Myscada mypro os command injection vulnerability

Myscada · Mypro

mySCADA myPRO: Versions 8.20.0 and prior has a feature where the API password can be specified, which may allow an attacker to inject arbitrary operating system commands through a specific parameter.

9.8 CVSS 3.1 Critical EPSS 1.2% · top 32.6% CWE-78 · OS command injection
9.8CVSS 3.1 base score, v2 7.5
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

mySCADA myPRO: Versions 8.20.0 and prior has a feature where the API password can be specified, which may allow an attacker to inject arbitrary operating system commands through a specific parameter.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-01 Third Party AdvisoryUS Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-01 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2025-24865Myscada mypro missing authentication for critical function vulnerabilityThe administrative web interface of mySCADA myPRO Manager can be accessed without authentication which could allow an unauthorized attacker to retrie…EPSS 7.2%9.8CVE-2021-43981Myscada mypro os command injection vulnerabilitymySCADA myPRO: Versions 8.20.0 and prior has a feature to send emails, which may allow an attacker to inject arbitrary operating system commands thro…EPSS 1.2%9.8CVE-2021-43984Myscada mypro os command injection vulnerabilitymySCADA myPRO: Versions 8.20.0 and prior has a feature where the firmware can be updated, which may allow an attacker to inject arbitrary operating s…EPSS 1.2%9.8CVE-2021-43985Myscada mypro authentication bypass via alternate path vulnerabilityAn unauthenticated remote attacker can access mySCADA myPRO Versions 8.20.0 and prior without any form of authentication or authorization.EPSS 1.5%9.8CVE-2021-43987Myscada mypro vulnerabilityAn additional, nondocumented administrative account exists in mySCADA myPRO Versions 8.20.0 and prior that is not exposed through the web interface, …EPSS 1.2%9.8CVE-2021-44453Myscada mypro os command injection vulnerabilitymySCADA myPRO: Versions 8.20.0 and prior has a vulnerable debug interface which includes a ping utility, which may allow an attacker to inject arbitr…EPSS 1.4%9.8CVE-2021-23198Myscada mypro os command injection vulnerabilitymySCADA myPRO: Versions 8.20.0 and prior has a feature where the password can be specified, which may allow an attacker to inject arbitrary operating…EPSS 1.2%9.3CVE-2025-25067Myscada mypro os command injection vulnerabilitymySCADA myPRO Manager is vulnerable to an OS command injection which could allow a remote attacker to execute arbitrary OS commands.EPSS 1.7%

Source: NIST National Vulnerability Database (record CVE-2021-22657), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.