CVE-2021-45891 Missing authorization in n/a
Attackers can escalate privileges in Softwarebuero Zauner ARC because permission checks are performed only on the client side.
- 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-2021-45891?
CVE-2021-45891 is a high-severity missing authorization vulnerability in n/a, published on 5 Apr 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue was discovered in Softwarebuero Zauner ARC 4.2.0.4., that allows attackers to escalate privileges within the application, since all permission checks are done client-side, not server-side.
Weakness: CWE-669
Which versions are affected by CVE-2021-45891?
It affects 1 product.
Products include Zauner Arc.
How do I fix CVE-2021-45891?
No fix has been published for CVE-2021-45891 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-2021-45891 being exploited?
There is no known exploitation of CVE-2021-45891 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-rw7c-r2hj-99vq.