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Fencer Vulns
medium 6.8

CVE-2022-34402 json

Dell Wyse ThinOS 2205 contains a Regular Expression Denial of Service Vulnerability in UI.

published 2022-10-10 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-37357

cvss
6.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits
0
none known

Summary

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.

Patch / fix

  • Dell Wyse Proprietary OS (Modern ThinOS) ThinOS 2208

Exploit prediction

0.72% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
NVD 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Dell Wyse Proprietary OS (Modern ThinOS)

Classification

Weakness
  • CWE-1333 Inefficient Regular Expression Complexity

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.