CVE-2023-37242 Missing authorization in EMUI

Critical 9.8 Published 6 Jul 2023 Updated 19 Nov 2024

Attackers can intercept modem commands to rewrite NVRAM or facilitate further exploitation in Huawei mobile operating systems.

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-2023-37242?

CVE-2023-37242 is a critical missing authorization vulnerability in Huawei Emui, published on 6 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability of commands from the modem being intercepted in the atcmdserver module. Attackers may exploit this vulnerability to rewrite the non-volatile random-access memory (NVRAM), or facilitate the exploitation of other vulnerabilities.

Weakness: CWE-639

Which versions are affected by CVE-2023-37242?

It affects 2 products.

Products include Huawei Emui, Huawei Harmonyos.

How do I fix CVE-2023-37242?

No fix has been published for CVE-2023-37242 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-2023-37242 being exploited?

There is no known exploitation of CVE-2023-37242 in the wild and no public exploit code.

All Huawei Emui vulnerabilities

Sources

Also known as GHSA-cq3m-35vg-m37m.