CVE-2023-5521 Incorrect Authorization in tiann/kernelsu

High 7.3 Published Updated

An attacker can bypass authorization checks in KernelSU to gain unauthorized privileges on Android devices.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2023-5521?

CVE-2023-5521 is a high-severity missing authorization vulnerability in tiann/kernelsu, published on 11 Oct 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Incorrect Authorization in GitHub repository tiann/kernelsu prior to v0.6.9.

Weakness: CWE-863

Which versions are affected by CVE-2023-5521?

It affects 1 product.

Products include Kernelsu Kernelsu.

How do I fix CVE-2023-5521?

No fix has been published for CVE-2023-5521 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-2023-5521 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-5521 exists.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-pcx2-r23v-3j7c.

Is CVE-2023-5521 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free