CVE-2017-5256 Cross-site scripting in ePMP
Authenticated users can inject persistent XSS payloads into device name and description fields, potentially compromising other administrators.
- 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-2017-5256?
CVE-2017-5256 is a medium-severity cross-site scripting vulnerability in Cambium Networks ePMP, published on 20 Dec 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
In version 3.5 and prior of Cambium Networks ePMP firmware, all authenticated users have the ability to update the Device Name and System Description fields in the web administration console, and those fields are vulnerable to persistent cross-site scripting (XSS) injection.
Weakness: CWE-79
Which versions are affected by CVE-2017-5256?
It affects 2 products.
Products include Cambiumnetworks Epmp 1000 Firmware, Cambiumnetworks Epmp 2000 Firmware.
How do I fix CVE-2017-5256?
No fix has been published for CVE-2017-5256 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-2017-5256 being exploited?
There is no known exploitation of CVE-2017-5256 in the wild and no public exploit code.
Other vulnerabilities in Cambium Networks ePMP
Sources
Also known as GHSA-5c2c-3pcp-ghm8.