CVE-2021-31643 Cross-site scripting in n/a
Attackers can execute arbitrary scripts via the username parameter in if.cgi on CHIYU Technology IoT devices, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-31643?
CVE-2021-31643 is a medium-severity cross-site scripting vulnerability in n/a, published on 1 Jun 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
An XSS vulnerability exists in several IoT devices from CHIYU Technology, including SEMAC, Biosense, BF-630, BF-631, and Webpass due to a lack of sanitization on the component if.cgi - username parameter.
Weakness: CWE-79
Which versions are affected by CVE-2021-31643?
It affects 11 products.
Products include Chiyu-Tech Bf-630 Firmware, Chiyu-Tech Bf-631 Firmware, Chiyu-Tech Biosense Firmware, Chiyu-Tech Semac D1 Firmware, Chiyu-Tech Semac D2 Firmware, Chiyu-Tech Semac D2 N300 Firmware and 5 more.
How do I fix CVE-2021-31643?
No fix has been published for CVE-2021-31643 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-2021-31643 being exploited?
There is no known exploitation of CVE-2021-31643 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-hxrr-8f87-qrgp.