CVE-2023-37022 Denial of service in n/a

Q: Is CVE-2023-37022 being exploited?

There is no known exploitation of CVE-2023-37022 in the wild and no public exploit code.

Q: How do I fix CVE-2023-37022?

No fix has been published for CVE-2023-37022 yet. Limit exposure of the affected software until one is available.

High 7.5 Published 22 Jan 2025 Updated 18 Mar 2025

An attacker can crash the Open5GS MME service by sending malformed packets with invalid IDs, causing a 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-2023-37022?

CVE-2023-37022 is a high-severity denial of service vulnerability in Open5gs Open5gs, published on 22 Jan 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Open5GS MME versions <= 2.6.4 contain a reachable assertion in the `UE Context Release Request` packet handler. A packet containing an invalid `MME_UE_S1AP_ID` field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.

Weakness: CWE-400

Which versions are affected by CVE-2023-37022?

It affects 1 product.

Products include Open5gs Open5gs.

How do I fix CVE-2023-37022?

No fix has been published for CVE-2023-37022 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-37022 being exploited?

There is no known exploitation of CVE-2023-37022 in the wild and no public exploit code.

All Open5gs Open5gs vulnerabilities

Sources

Also known as GHSA-mx53-8x3c-jgqv.