Regular expression denial of service in Dell Wyse Proprietary OS
Priority LOW 31CWE-1333Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-1333.
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.
Why it matters now
EPSS 0.0072 54th percentileScored 2026-11-07
Fix Fixed Wyse Proprietary OS (Modern ThinOS) (Dell): ThinOS 2208
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Dell | Wyse Proprietary OS (Modern ThinOS) | before ThinOS 2208 | ThinOS 2208 | Patch available | CNA |
- Wyse Proprietary OS (Modern ThinOS) VendorDell Affected before ThinOS 2208 Fixed in ThinOS 2208 Patch available CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dell:wyse_thinos:*:*:*:*:*:*:*:* | before 9.3.2102 | Vulnerable | Dell |
| cpe:2.3:h:dell:latitude_3420:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dell |
| cpe:2.3:h:dell:optiplex_3000_thin_client:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dell |
| cpe:2.3:h:dell:wyse_3040_thin_client:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dell |
| cpe:2.3:h:dell:wyse_5070_thin_client:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dell |
| cpe:2.3:h:dell:wyse_5470_all-in-one_thin_client:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dell |
| cpe:2.3:h:dell:wyse_5470_mobile_thin_client:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dell |
- cpe:2.3:o:dell:wyse_thinos:*:*:*:*:*:*:*:* Versions before 9.3.2102 Vulnerable ·Dell
- cpe:2.3:h:dell:latitude_3420:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
- cpe:2.3:h:dell:optiplex_3000_thin_client:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
- cpe:2.3:h:dell:wyse_3040_thin_client:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
- cpe:2.3:h:dell:wyse_5070_thin_client:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
- cpe:2.3:h:dell:wyse_5470_all-in-one_thin_client:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
- cpe:2.3:h:dell:wyse_5470_mobile_thin_client:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
Remediation
- Fix · CNA Wyse Proprietary OS (Modern ThinOS) (Dell) Fixed in ThinOS 2208
Timeline
- 2026-10-02 Threatist record created from CVE-2022-34402
- 2026-10-03 Alias added: GHSA-v6q3-cj4x-h42r
- 2026-10-07 EPSS moved to the 50th–90th percentile
References
More Dell Wyse Thinos vulnerabilities
- TI-2020-17713 Incorrect default permissions in Dell Wyse Proprietary OS CVSS 3.1CRITICAL 10.0
- TI-2020-17712 Incorrect default permissions in Dell Wyse Proprietary OS CVSS 3.1CRITICAL 10.0
- TI-2024-28404 Command injection in Dell Wyse Proprietary OS CVSS 3.1HIGH 7.6
- TI-2021-04677 Sensitive information in log files in Dell Wyse ThinOS CVSS 3.1HIGH 7.2
- TI-2021-04617 Improper input validation in Dell Wyse Proprietary OS CVSS 3.1MEDIUM 6.3
- TI-2023-15740 Cleartext storage of sensitive information in Dell Wyse Proprietary OS CVSS 3.1MEDIUM 5.5
Sources
- CVE-2022-34402 · CVE Program
- CVE-2022-34402 · NVD
- FIRST EPSS
- GHSA-v6q3-cj4x-h42r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences