CVE-2021-43931 Distributed Data Systems WebHM
Attackers can bypass the WebHMI portal authentication mechanism due to a primary weakness preceding the authentication error.
- 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-2021-43931?
CVE-2021-43931 is a critical authentication bypass vulnerability in Distributed Data Systems WebHMI, published on 6 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The authentication algorithm of the WebHMI portal is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error.
Weakness: CWE-287
Which versions are affected by CVE-2021-43931?
It affects 1 product.
Products include Webhmi Webhmi Firmware.
How do I fix CVE-2021-43931?
No fix has been published for CVE-2021-43931 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-43931 being exploited?
There is no known exploitation of CVE-2021-43931 in the wild and no public exploit code.
Other vulnerabilities in Distributed Data Systems WebHMI
Sources
Also known as GHSA-9p49-7vh4-82rx.