#VU64240 Improper Privilege Management in Pixel - CVE-2021-39653

Vulnerability identifier: #VU64240

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-39653

CWE-ID: CWE-269

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Pixel
Mobile applications / Mobile firmware & hardware

Vendor: Google

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a missing warning to the user. A local user can trigger the vulnerability to escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Pixel: before 12L

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External links
https://source.android.com/security/bulletin/pixel/2021-12-01

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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.