#VU51907 Security restrictions bypass in Google Android - CVE-2021-0437

Vulnerability identifier: #VU51907

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-0437

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Google Android
Operating systems & Components / Operating system

Vendor: Google

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to application does not properly impose security restrictions in Media Framework. A local user can run a specially crafted application to bypass user interaction requirements and gain additional permissions on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Google Android: before 8.1, 9.0, 10, 11, 8.1, 8.1, 8.1

---

External links
https://source.android.com/security/bulletin/2021-04-01

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.