What is CVE-2021-42536?

CVE-2021-42536 is a high-severity vulnerability in Emerson Wireless 1410d Gateway, classified under Information Disclosure. CVSS score: 8.0/10. Published 2021-10-22.

How severe is CVE-2021-42536?

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

Information disclosure in Emerson Wireless 1410d Gateway

CVE-2021-42536

The affected product is vulnerable to a disclosure of peer username and password by allowing all users access to read global variables.

Vulnerability class: Information Disclosure

Published 2021-10-22 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.009 (59.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Weakness classification (CWE)

References

us-cert.cisa.gov/ics/advisories/icsa-21-278-02 (US Government Resource, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-42536?: CVE-2021-42536 is a high-severity vulnerability in Emerson Wireless 1410d Gateway, classified under Information Disclosure. CVSS score: 8.0/10. Published 2021-10-22.
How severe is CVE-2021-42536?: High severity. CVSS v3 base score is 8.0 out of 10.