CVE-2021-34590 Bender Charge Controller: Cross-site Scripting
An authenticated attacker can inject malicious HTML into configuration values, leading to cross-site scripting attacks on the charge controller interface.
- 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-2021-34590?
CVE-2021-34590 is a medium-severity cross-site scripting vulnerability in Bender / ebee CC612, published on 27 Apr 2022. 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 Bender/ebee Charge Controllers in multiple versions are prone to Cross-site Scripting. An authenticated attacker could write HTML Code into configuration values. These values are not properly escaped when displayed.
Weakness: CWE-79
Which versions are affected by CVE-2021-34590?
It affects 2 products.
Products include Bender Cc612 Firmware, Bender Icc15xx Firmware.
How do I fix CVE-2021-34590?
No fix has been published for CVE-2021-34590 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-2021-34590 being exploited?
There is no known exploitation of CVE-2021-34590 in the wild and no public exploit code.
Other vulnerabilities in Bender / ebee CC612
- CVE-2021-34601 Bender Charge Controller: Hardcoded Credentials in Charge Controller
- CVE-2021-34592 Bender Charge Controller: Command injection via Web interface
- CVE-2021-34602 Bender Charge Controller: Long URL could lead to webserver crash
- CVE-2021-34588 Bender Charge Controller: Unprotected data export
- CVE-2021-34591 Bender Charge Controller: Local privilege Escalation
Sources
Also known as GHSA-93jw-9wg6-48pf.