CVE-2023-49240 Missing authorization in EMUI

High 7.5 Published 6 Dec 2023 Updated 2 Aug 2024

Attackers can bypass authorization in the launcher module to access confidential service data on Huawei devices.

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-2023-49240?

CVE-2023-49240 is a high-severity missing authorization vulnerability in Huawei Emui, published on 6 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unauthorized access vulnerability in the launcher module. Successful exploitation of this vulnerability may affect service confidentiality.

Weakness: CWE-863, CWE-601

Which versions are affected by CVE-2023-49240?

It affects 2 products.

Products include Huawei Emui, Huawei Harmonyos.

How do I fix CVE-2023-49240?

No fix has been published for CVE-2023-49240 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-2023-49240 being exploited?

There is no known exploitation of CVE-2023-49240 in the wild and no public exploit code.

All Huawei Emui vulnerabilities

Sources

Also known as GHSA-496c-4mqp-rf5m.