CVE-2022-40297

HIGH

Ubports Ubuntu Touch - Improper Privilege Management

Title source: rule

Description

UBports Ubuntu Touch 16.04 allows the screen-unlock passcode to be used for a privileged shell via Sudo. This passcode is only four digits, far below typical length/complexity for a user account's password. NOTE: a third party states "The described attack cannot be executed as demonstrated.

Exploits (1)

nomisec WORKING POC 5 stars

by filipkarc · poc

https://github.com/filipkarc/PoC-ubuntutouch-pin-privesc

View Code ZIP pw:eip

References (1)

Core 1

Core References

Exploit, Third Party Advisory x_refsource_misc

https://github.com/filipkarc/PoC-ubuntutouch-pin-privesc

Scores

CVSS v3 7.8

EPSS 0.0186

EPSS Percentile 83.3%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-269

Status published

Products (1)

ubports/ubuntu_touch 16.04

Published Sep 09, 2022

Tracked Since Feb 18, 2026