What is CVE-2022-34402?

CVE-2022-34402 is a medium-severity vulnerability in Dell Latitude 3420, classified under Inefficient Regular Expression Complexity. CVSS score: 6.8/10. Published 2022-10-10.

How severe is CVE-2022-34402?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Dell Latitude 3420

CVE-2022-34402

Dell Wyse ThinOS 2205 contains a Regular Expression Denial of Service Vulnerability in UI. An admin privilege attacker could potentially exploit this vulnerability, leading to denial-of-service.

Vulnerability class: ReDoS (Regular Expression Denial of Service)

Published 2022-10-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (49.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-1333 — Inefficient Regular Expression Complexity

References

www.dell.com/support/kbdoc/en-us/000203376/dsa-2022-247-dell-wyse-thinos-securi… (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-34402?: CVE-2022-34402 is a medium-severity vulnerability in Dell Latitude 3420, classified under Inefficient Regular Expression Complexity. CVSS score: 6.8/10. Published 2022-10-10.
How severe is CVE-2022-34402?: Medium severity. CVSS v3 base score is 6.8 out of 10.