CVE-2020-10633 Cross-site scripting in eWON Flexy and Cosy
An attacker can exploit a non-persistent XSS vulnerability in eWON Flexy and Cosy devices to initiate a password change, potentially leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-10633?
CVE-2020-10633 is a medium-severity cross-site scripting vulnerability in eWON Flexy and Cosy, published on 8 Apr 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A non-persistent XSS (cross-site scripting) vulnerability exists in eWON Flexy and Cosy (all firmware versions prior to 14.1s0). An attacker could send a specially crafted URL to initiate a password change for the device. The target must introduce the credentials to the gateway before the attack can be successful.
Weakness: CWE-79
Which versions are affected by CVE-2020-10633?
It affects 2 products.
Products include Hms-Networks Ewon Cosy Firmware, Hms-Networks Ewon Flexy Firmware.
How do I fix CVE-2020-10633?
No fix has been published for CVE-2020-10633 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2020-10633 being exploited?
There is no known exploitation of CVE-2020-10633 in the wild and no public exploit code.
Other vulnerabilities in eWON Flexy and Cosy
Sources
Also known as GHSA-22gj-rr23-9xgc.