What is CVE-2022-40297?

CVE-2022-40297 is a high-severity vulnerability in Ubports Ubuntu Touch, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2022-09-09.

How severe is CVE-2022-40297?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2022-40297 known to be exploited?

13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Privilege escalation in Ubports Ubuntu Touch

CVE-2022-40297

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.

Vulnerability class: Privilege Escalation

EPSS: 0.005 (37.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ubports Ubuntu_touch — versions 16.04
N/a — versions n/a

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-40297?: CVE-2022-40297 is a high-severity vulnerability in Ubports Ubuntu Touch, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2022-09-09.
How severe is CVE-2022-40297?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-40297 known to be exploited?: 13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.