What is CVE-2020-29492?

CVE-2020-29492 is a critical-severity vulnerability in Dell Wyse 3040, classified under Incorrect Default Permissions. CVSS score: 10.0/10. Published 2021-01-04.

How severe is CVE-2020-29492?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Vulnerability in Dell Wyse 3040

CVE-2020-29492

Dell Wyse ThinOS 8.6 and prior versions contain an insecure default configuration vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability to access the writable file and manipulate the configuration of any target specific station.

Published 2021-01-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (77.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.018 · change: +0.000

Affected products

Dell Wyse 3040
Dell Wyse 5010
Dell Wyse 5040
Dell Wyse 5060
Dell Wyse 5070
Dell Wyse 5470
Dell Wyse 7010
Dell Wyse Proprietary OS (Thinos) — versions unspecified
Dell Wyse Thinos

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

www.dell.com/support/kbdoc/en-us/000180768/dsa-2020-281 (Vendor Advisory)

Frequently asked questions

What is CVE-2020-29492?: CVE-2020-29492 is a critical-severity vulnerability in Dell Wyse 3040, classified under Incorrect Default Permissions. CVSS score: 10.0/10. Published 2021-01-04.
How severe is CVE-2020-29492?: Critical severity. CVSS v3 base score is 10.0 out of 10.