CVE-2021-27904 Missing authorization in n/a
Attackers can view unintended sharing group data due to flawed access control logic in MISP's sharing group implementation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-27904?
CVE-2021-27904 is a medium-severity missing authorization vulnerability in Misp-Project Misp, published on 2 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in app/Model/SharingGroupServer.php in MISP 2.4.139. In the implementation of Sharing Groups, the "all org" flag sometimes provided view access to unintended actors.
Which versions are affected by CVE-2021-27904?
It affects 1 product.
Products include Misp-Project Misp.
How do I fix CVE-2021-27904?
No fix has been published for CVE-2021-27904 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-2021-27904 being exploited?
There is no known exploitation of CVE-2021-27904 in the wild and no public exploit code.
Other vulnerabilities in Misp-Project Misp
Sources
Also known as GHSA-672j-7w35-wcrv.