What is CVE-2021-43981?

CVE-2021-43981 is a critical-severity vulnerability in Myscada Mypro, classified under OS Command Injection. CVSS score: 10.0/10. Published 2021-12-23.

How severe is CVE-2021-43981?

Critical severity. CVSS v3 base score is 10.0 out of 10.

RCE in Myscada Mypro

CVE-2021-43981

mySCADA myPRO: Versions 8.20.0 and prior has a feature to send emails, which may allow an attacker to inject arbitrary operating system commands through a specific parameter.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.003 (51.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Myscada Mypro — versions All

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

www.cisa.gov/uscert/ics/advisories/icsa-21-355-01 (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-43981?: CVE-2021-43981 is a critical-severity vulnerability in Myscada Mypro, classified under OS Command Injection. CVSS score: 10.0/10. Published 2021-12-23.
How severe is CVE-2021-43981?: Critical severity. CVSS v3 base score is 10.0 out of 10.