PT-2021-23993 · Myscada · Myscada Mypro

Michael Heinzl · Published 2021-12-23 · Updated 2021-12-29 · CVE-2021-43984

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: mySCADA myPRO versions 8.20.0 and prior

Description: The issue allows an attacker to inject arbitrary operating system commands through a specific parameter in the firmware update feature.

Recommendations: For mySCADA myPRO versions 8.20.0 and prior, consider restricting access to the firmware update feature until a fix is available. As a temporary workaround, avoid using the parameter that allows arbitrary operating system command injection in the firmware update process.

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2021-43984

Affected Products

Myscada Mypro

References · 4

• https://osv.dev/vulnerability/CVE-2021-43984 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-43984 · Security Note
• https://t.me/cibsecurity/34580 · Telegram Post
• https://cisa.gov/uscert/ics/advisories/icsa-21-355-01 · Note