Dell Wyse ThinOS 8.6 and prior versions contain an insecure default configuration vulnerability.
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
- Jan 4, 2021
- Updated
- Jun 16, 2026
- EPSS
- 1.7% · 77th percentile
- CWE
- CWE-276
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Report tools
Action score
41
Plan
Add it to your regular patch cycle.
- CVSS
- 40 / 40 · 10.0 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 1.7%
CNA vs NVD score
- NVD
- 10.0
- CNA · dell
- 10.0
- agree
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| dell | wyse thinos | cpe:2.3:o:dell:wyse_thinos |
| dell | wyse 3040 | cpe:2.3:h:dell:wyse_3040 |
| dell | wyse 5010 | cpe:2.3:h:dell:wyse_5010 |
| dell | wyse 5040 | cpe:2.3:h:dell:wyse_5040 |
| dell | wyse 5060 | cpe:2.3:h:dell:wyse_5060 |
| dell | wyse 5070 | cpe:2.3:h:dell:wyse_5070 |
| dell | wyse 5470 | cpe:2.3:h:dell:wyse_5470 |
| dell | wyse 7010 | cpe:2.3:h:dell:wyse_7010 |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- dell wyse thinosup to 8.6 inclusive
Versions reported by the vendor
Affected version ranges reported by the assigning authority (dell). Independent of NVD's CPE analysis and usually ahead of it.
Dell Wyse Proprietary OS (ThinOS)
- unspecified and later · before 8.6affected
Same product
dell: all recordsOther highest-scoring records for the same primary product.
- CVE-2020-29491Dell Wyse ThinOS 8.6 and prior versions contain an insecure default configuration vulnerability.35Monitor
- CVE-2024-42427Dell ThinOS versions 2402 and 2405, contains an Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerab30Monitor
- CVE-2021-21532Dell Wyse ThinOS 8.6 MR9 contains remediation for an improper management server validation vulnerability that could be potentially exploited25Monitor
- CVE-2023-32455
Dell Wyse ThinOS versions prior to 2208 (9.3.2102) contain a sensitive information disclosure vulnerability.22Monitor
- CVE-2023-32447
Dell Wyse ThinOS versions prior to 2306 (9.4.2103) contain a sensitive information disclosure vulnerability.22Monitor
- CVE-2023-32446
Dell Wyse ThinOS versions prior to 2303 (9.4.1141) contain a sensitive information disclosure vulnerability.22Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- none
Impact can extend beyond the vulnerable component (scope changes).
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Changed
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- None
Weakness class (CWE)
CWE-276 · Incorrect Default PermissionsCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.