What is CVE-2021-42538?

CVE-2021-42538 is a high-severity vulnerability in Emerson Wirelesshart Gateway, classified under OS Command Injection. CVSS score: 8.0/10. Published 2021-10-22.

How severe is CVE-2021-42538?

High severity. CVSS v3 base score is 8.0 out of 10.

RCE in Emerson Wirelesshart Gateway

CVE-2021-42538

The affected product is vulnerable to a parameter injection via passphrase, which enables the attacker to supply uncontrolled input.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.002 (44.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Emerson Wirelesshart Gateway — versions 1410, 1410D, 1420

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

us-cert.cisa.gov/ics/advisories/icsa-21-278-02 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2021-42538?: CVE-2021-42538 is a high-severity vulnerability in Emerson Wirelesshart Gateway, classified under OS Command Injection. CVSS score: 8.0/10. Published 2021-10-22.
How severe is CVE-2021-42538?: High severity. CVSS v3 base score is 8.0 out of 10.