CVE-2022-40297 json
UBports Ubuntu Touch 16.04 allows the screen-unlock passcode to be used for a privileged shell via Sudo.
published 2022-09-08 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-43594
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 40%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/filipkarc/PoC-ubuntutouch-pin-privesc referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
References
-
github.com
/filipkarc/PoC-ubuntutouch-pin-privesc
exploit, third-party-advisory
Sources
- CVE List CVE-2022-40297
- NVD CVE-2022-40297
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