CVE-2021-30141 Missing authorization in n/a
Anonymous users can access the user export route, causing excessive memory consumption and potential denial of service.
- 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-2021-30141?
CVE-2021-30141 is a high-severity missing authorization vulnerability in n/a, published on 5 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Module/Settings/UserExport.php in Friendica through 2021.01 allows settings/userexport to be used by anonymous users, as demonstrated by an attempted access to an array offset on a value of type null, and excessive memory consumption. NOTE: the vendor states "the feature still requires a valid authentication cookie even if the route is accessible to non-logged users.
Weakness: CWE-401
Which versions are affected by CVE-2021-30141?
It affects 1 product.
Products include Friendica Friendica.
How do I fix CVE-2021-30141?
No fix has been published for CVE-2021-30141 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-2021-30141 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-30141 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-cqj2-h3vq-982w.