CVE-2020-10922 Denial of service in HMI EA9
Remote attackers can cause a denial-of-service condition on C-MORE HMI EA9 touch screen panels without authentication due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-10922?
CVE-2020-10922 is a high-severity denial of service vulnerability in C-MORE HMI EA9, published on 23 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of C-MORE HMI EA9 Firmware version 6.52 touch screen panels. Authentication is not required to exploit this vulnerability. The specific flaw exists within the EA-HTTP.exe process. The issue results from the lack of proper input validation prior to further processing user requests. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-10527.
Weakness: CWE-20
Which versions are affected by CVE-2020-10922?
It affects 1 product.
Products include Automationdirect C-More Hmi Ea9 Firmware.
How do I fix CVE-2020-10922?
No fix has been published for CVE-2020-10922 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-10922 being exploited?
There is no known exploitation of CVE-2020-10922 in the wild and no public exploit code.
Other vulnerabilities in C-MORE HMI EA9
Sources
Also known as GHSA-wcf2-mm7g-vqrm.