What is CVE-2021-42542?

CVE-2021-42542 is a high-severity vulnerability in Emerson Wireless 1410d Gateway, classified under Path Traversal. CVSS score: 8.0/10. Published 2021-10-22.

How severe is CVE-2021-42542?

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

Path Traversal in Emerson Wireless 1410d Gateway

CVE-2021-42542

The affected product is vulnerable to directory traversal due to mishandling of provided backup folder structure.

Vulnerability class: Path Traversal (Directory Traversal)

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: 0.015 (72.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-22 — Path Traversal

References

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

Frequently asked questions

What is CVE-2021-42542?: CVE-2021-42542 is a high-severity vulnerability in Emerson Wireless 1410d Gateway, classified under Path Traversal. CVSS score: 8.0/10. Published 2021-10-22.
How severe is CVE-2021-42542?: High severity. CVSS v3 base score is 8.0 out of 10.