CVE-2021-31641 Cross-site scripting in n/a
Unauthenticated attackers can execute arbitrary scripts via XSS in HTTP 404 responses on multiple CHIYU Technology IoT devices.
- 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-2021-31641?
CVE-2021-31641 is a medium-severity cross-site scripting vulnerability in n/a, published on 1 Jun 2021. 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
An unauthenticated XSS vulnerability exists in several IoT devices from CHIYU Technology, including BF-630, BF-450M, BF-430, BF-431, BF631-W, BF830-W, Webpass, BF-MINI-W, and SEMAC due to a lack of sanitization when the HTTP 404 message is generated.
Weakness: CWE-79
Which versions are affected by CVE-2021-31641?
It affects 15 products.
Products include Chiyu-Tech Bf-430 Firmware, Chiyu-Tech Bf-431 Firmware, Chiyu-Tech Bf-450m Firmware, Chiyu-Tech Bf-630 Firmware, Chiyu-Tech Bf-631w Firmware, Chiyu-Tech Bf-830w Firmware and 9 more.
How do I fix CVE-2021-31641?
No fix has been published for CVE-2021-31641 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-2021-31641 being exploited?
There is no known exploitation of CVE-2021-31641 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-j8pq-98x9-wx56.