CVE-2020-16230

low-risk
Published 2020-09-18

All version of Ewon Flexy and Cosy prior to 14.1 use wildcards such as (*) under which domains can request resources. An attacker with local access and high privileges could inject scripts into the Cross-origin Resource Sharing (CORS) configuration that could abuse this vulnerability, allowing the attacker to retrieve limited confidential information through sniffing.

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
2
CVSS 2.3/10 Low
LOCAL / LOW complexity

Affected Products (2)

Ewon Flexy Firmware
Ewon Cosy Firmware

Affected Vendors

Hms-Networks

References (2)

Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-20-254-03
Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-20-254-03
17
/ 100
low-risk
Severity 10/34 · Low
Exploitability 0/34 · Minimal
Exposure 7/34 · Low