CVE-2023-31116 Missing authorization in n/a

Critical 9.8 Published 7 Jun 2023 Updated 7 Jan 2025

A crafted application can query RCS capabilities due to incorrect default permissions in the Samsung Exynos Modem RCS component.

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-2023-31116?

CVE-2023-31116 is a critical missing authorization vulnerability in n/a, published on 7 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in the Shannon RCS component in Samsung Exynos Modem 5123 and 5300. An incorrect default permission can cause unintended querying of RCS capability via a crafted application.

Weakness: CWE-276

Which versions are affected by CVE-2023-31116?

It affects 2 products.

Products include Samsung Exynos 5123 Firmware, Samsung Exynos 5300 Firmware.

How do I fix CVE-2023-31116?

No fix has been published for CVE-2023-31116 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-2023-31116 being exploited?

There is no known exploitation of CVE-2023-31116 in the wild and no public exploit code.

Sources

Also known as GHSA-2jx4-xmvj-hmcw.