CVE-2020-16263
CVSS v3
9.1
CRITICAL
EPSS Score
1.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Winston 1.5.4 devices have a CORS configuration that trusts arbitrary origins. This allows requests to be made and viewed by arbitrary origins.
Technical details
- Published
- 2020-10-28
Frequently asked questions
What is CVE-2020-16263?
Winston 1.5.4 devices have a CORS configuration that trusts arbitrary origins. This allows requests to be made and viewed by arbitrary origins.
Is CVE-2020-16263 actively exploited?
Active exploitation of CVE-2020-16263 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-16263?
CVE-2020-16263 has a CVSS v3 base score of 9.1 (CRITICAL severity).
Is CVE-2020-16263 affecting your environment?
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