CVE-2020-16230

2.3 lowEPSS 0.3%

Low (2.3) in hms-networks. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

2.3 low

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 27% of CVEs (scores of 2026-10-31)
Published: 2020-09-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

hms-networks:ewon_cosy_firmware
hms-networks:ewon_flexy_firmware

References

https://us-cert.cisa.gov/ics/advisories/icsa-20-254-03
https://us-cert.cisa.gov/ics/advisories/icsa-20-254-03

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