CVE-2020-14120 Missing authorization in MIUI
Attackers can exploit missing checksums in Xiaomi MIUI to gain elevated privileges and disrupt system services via malicious apps.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-14120?
CVE-2020-14120 is a high-severity missing authorization vulnerability in MIUI, published on 21 Apr 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Some Xiaomi models have a vulnerability in a certain application. The vulnerability is caused by the lack of checksum when using a three-party application to pass in parameters, and attackers can induce users to install a malicious app and use the vulnerability to achieve elevated privileges, making the normal services of the system affected.
Weakness: CWE-354
Which versions are affected by CVE-2020-14120?
It affects 1 product.
Products include Mi Miui.
How do I fix CVE-2020-14120?
No fix has been published for CVE-2020-14120 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-2020-14120 being exploited?
There is no known exploitation of CVE-2020-14120 in the wild and no public exploit code.
Other vulnerabilities in MIUI
Sources
Also known as GHSA-grgj-cvfc-46jg.