What is CVE-2021-42539?

CVE-2021-42539 is a high-severity vulnerability in Emerson Wirelesshart Gateway, classified under Missing Authentication for Critical Function. CVSS score: 8.0/10. Published 2021-10-22.

How severe is CVE-2021-42539?

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

Auth bypass in Emerson Wirelesshart Gateway

CVE-2021-42539

The affected product is vulnerable to a missing permission validation on system backup restore, which could lead to account take over and unapproved settings change.

Vulnerability class: Broken Authentication

EPSS: 0.002 (38.8th 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-306 — Missing Authentication for Critical Function

References

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

Frequently asked questions

What is CVE-2021-42539?: CVE-2021-42539 is a high-severity vulnerability in Emerson Wirelesshart Gateway, classified under Missing Authentication for Critical Function. CVSS score: 8.0/10. Published 2021-10-22.
How severe is CVE-2021-42539?: High severity. CVSS v3 base score is 8.0 out of 10.