Low severity · published Sep 18, 2020
CVE-2020-16230
All version of Ewon Flexy and Cosy prior to 14.1 use wildcards such as (*) under which domains can request resources
2.3
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EC
Ewon Cosy Firmware · Hms-networks
before 14.1 · source: NVD
EF
Ewon Flexy Firmware · Hms-networks
before 14.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-16230
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-16230
Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-20-254-03
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