CVE-2021-33718 Missing authorization in Mendix Applications using Mendix 7
Attackers with write access to one attribute can bypass checks to modify other attributes in Mendix applications.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-33718?
CVE-2021-33718 is a medium-severity missing authorization vulnerability in Siemens Mendix Applications using Mendix 7, published on 13 Jul 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been identified in Mendix Applications using Mendix 7 (All versions < V7.23.22), Mendix Applications using Mendix 8 (All versions < V8.18.7), Mendix Applications using Mendix 9 (All versions < V9.3.0). Write access checks of attributes of an object could be bypassed, if user has a write permissions to the first attribute of this object.
Weakness: CWE-863
Which versions are affected by CVE-2021-33718?
It affects 1 product.
Products include Siemens Mendix.
How do I fix CVE-2021-33718?
No fix has been published for CVE-2021-33718 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-33718 being exploited?
There is no known exploitation of CVE-2021-33718 in the wild and no public exploit code.
Other vulnerabilities in Siemens Mendix Applications using Mendix 7
Sources
Also known as GHSA-rhfw-f382-2fcr.