What is CVE-2021-33841?

CVE-2021-33841 is a critical-severity vulnerability in Circutor Sge-plc1000, classified under OS Command Injection. CVSS score: 10.0/10. Published 2021-06-09.

How severe is CVE-2021-33841?

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

RCE in Circutor Sge-plc1000

CVE-2021-33841

SGE-PLC1000 device, in its 0.9.2b firmware version, does not handle some requests correctly, allowing a remote attacker to inject code into the operating system with maximum privileges.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.015 (81.3th 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

Circutor Sge-plc1000 — versions 0.9.2b

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

www.incibe.es/en/incibe-cert/notices/aviso-sci/circutor-sge-plc1000-os-command-… (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2021-33841?: CVE-2021-33841 is a critical-severity vulnerability in Circutor Sge-plc1000, classified under OS Command Injection. CVSS score: 10.0/10. Published 2021-06-09.
How severe is CVE-2021-33841?: Critical severity. CVSS v3 base score is 10.0 out of 10.