CVE-2022-40297

7.8 highEPSS 0.5%

High (7.8) in ubports ubuntu touch. EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.8 high

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-31)
CWE: CWE-269
Published: 2022-09-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

ubports:ubuntu_touch

References

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

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