CVE-2020-16256
CVE-2020-16256 is a high-severity vulnerability in Winstonprivacy Winston Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 9.3
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-352
- Affected product: Winstonprivacy Winston Firmware
- Published:
- Last modified:
Description
The API on Winston 1.5.4 devices is vulnerable to CSRF.
Frequently asked questions
- What is CVE-2020-16256?
- The API on Winston 1.5.4 devices is vulnerable to CSRF.
- How severe is CVE-2020-16256?
- CVE-2020-16256 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-16256 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-16256?
- CVE-2020-16256 affects Winstonprivacy Winston Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-16256?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-16256 published?
- CVE-2020-16256 was published on 2020-10-28 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:winstonprivacy:winston_firmware:1.5.4:*:*:*:*:*:*:*
More vulnerabilities in Winstonprivacy Winston Firmware
- CVE-2020-16259 — Critical (CVSS 9.8): Winston 1.5.4 devices have an SSH user account with access from bastion hosts. This is undocumented in device documents…
- CVE-2020-16257 — Critical (CVSS 9.8): Winston 1.5.4 devices are vulnerable to command injection via the API.
- CVE-2020-16263 — Critical (CVSS 9.1): Winston 1.5.4 devices have a CORS configuration that trusts arbitrary origins. This allows requests to be made and…
- CVE-2020-16262 — High (CVSS 7.8): Winston 1.5.4 devices have a local www-data user that is overly permissioned, resulting in root privilege escalation.
- CVE-2020-16260 — High (CVSS 7.5): Winston 1.5.4 devices do not enforce authorization. This is exploitable from the intranet, and can be combined with…
- CVE-2020-16258 — High (CVSS 7.1): Winston 1.5.4 devices make use of a Monit service (not managed during the normal user process) which is configured with…
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