What’s Vulnerable › Vulnerabilities

CVE-2022-34402

• Severity: medium (CVSS 4.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-10-10 · updated 2026-06-17
• Weakness: CWE-1333

Description

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.

Affected products

• Dell Wyse Proprietary OS (Modern ThinOS): before 9.3.2102 — fixed in 9.3.2102

How to fix

Upgrade to a fixed version: Dell Wyse Proprietary OS (Modern ThinOS) 9.3.2102. Check the vendor advisory for mitigations.

References

• https://www.dell.com/support/kbdoc/en-us/000203376/dsa-2022-247-dell-wyse-thinos-security-update-for-a-regular-expression-vulnerability
• https://www.dell.com/support/kbdoc/en-us/000203376/dsa-2022-247-dell-wyse-thinos-security-update-for-a-regular-expression-vulnerability

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