What is CVE-2021-30187?

CVE-2021-30187 is a medium-severity vulnerability in Codesys Runtime_toolkit, classified under OS Command Injection. CVSS score: 5.3/10. Published 2021-05-25.

How severe is CVE-2021-30187?

Medium severity. CVSS v3 base score is 5.3 out of 10.

RCE in Codesys Runtime_toolkit

CVE-2021-30187

CODESYS V2 runtime system SP before 2.4.7.55 has Improper Neutralization of Special Elements used in an OS Command.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.003 (18.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Codesys Runtime_toolkit
Wago 750-8202
Wago 750-8202_firmware
Wago 750-8203
Wago 750-8203_firmware
Wago 750-8204
Wago 750-8204_firmware
Wago 750-8206
Wago 750-8206_firmware
Wago 750-8207

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

cve@mitre.org (Permissions Required, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-30187?: CVE-2021-30187 is a medium-severity vulnerability in Codesys Runtime_toolkit, classified under OS Command Injection. CVSS score: 5.3/10. Published 2021-05-25.
How severe is CVE-2021-30187?: Medium severity. CVSS v3 base score is 5.3 out of 10.