Winston 1.5.4 devices allow a U-Boot interrupt, resulting in local root access.
Priority LOW 31CWE-284Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284.
Summary
Winston 1.5.4 devices allow a U-Boot interrupt, resulting in local root access.
Why it matters now
EPSS 0.00475 41st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:winstonprivacy:winston_firmware:1.5.4:*:*:*:*:*:*:* | 1.5.4 | Vulnerable | Winstonprivacy |
| cpe:2.3:h:winstonprivacy:winston:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Winstonprivacy |
- cpe:2.3:o:winstonprivacy:winston_firmware:1.5.4:*:*:*:*:*:*:* Versions 1.5.4 Vulnerable ·Winstonprivacy
- cpe:2.3:h:winstonprivacy:winston:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Winstonprivacy
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-16261
- 2026-10-03 Alias added: GHSA-8gwv-wgm9-cqj9
References
More Winstonprivacy Winston Firmware vulnerabilities
- TI-2020-12785 Winston 1.5.4 devices are vulnerable to command injection via the API. CVSS 3.1CRITICAL 9.8
- TI-2020-12787 Winston 1.5.4 devices have an SSH user account with access from bastion hosts. CVSS 3.1CRITICAL 9.8
- TI-2020-12791 Winston 1.5.4 devices have a CORS configuration that trusts arbitrary origins. CVSS 3.1CRITICAL 9.1
- TI-2020-12784 The API on Winston 1.5.4 devices is vulnerable to CSRF. CVSS 3.1HIGH 8.8
- TI-2020-12788 Winston 1.5.4 devices do not enforce authorization. CVSS 3.1HIGH 7.5
- TI-2020-12790 Winston 1.5.4 devices have a local www-data user that is overly permissioned, resulting in root privilege escalation. CVSS 3.1HIGH 7.8
Sources
- CVE-2020-16261 · CVE Program
- CVE-2020-16261 · NVD
- FIRST EPSS
- GHSA-8gwv-wgm9-cqj9 · 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