CVE-2020-16230 Misconfiguration in HMS Networks Ewon Flexy and Cosy
Attackers with local high privileges can inject scripts into CORS configuration to retrieve limited confidential information via sniffing.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-16230?
CVE-2020-16230 is a low-severity vulnerability in HMS Networks Ewon Flexy and Cosy, published on 18 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2020-16230?
It affects 2 products.
Products include Hms-Networks Ewon Cosy Firmware, Hms-Networks Ewon Flexy Firmware.
How do I fix CVE-2020-16230?
No fix has been published for CVE-2020-16230 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-16230 being exploited?
There is no known exploitation of CVE-2020-16230 in the wild and no public exploit code.
Other vulnerabilities in HMS Networks Ewon Flexy and Cosy
Sources
Also known as GHSA-m3wp-9jj9-qqp4.