CVE-2018-9543 json
In trim_device of f2fs_format_utils.c, it is possible that the data partition is not wiped during a factory reset.
published 2018-11-14 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-21137
- cvss
- 5.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 10%
- public exploits
- 0
- none known
Summary
In trim_device of f2fs_format_utils.c, it is possible that the data partition is not wiped during a factory reset. This could lead to local information disclosure after factory reset with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-112868088.
Patch / fix
Exploit prediction
0.20% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Google Inc. Android
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
source.android.com
/security/bulletin/2018-11-01
patch, vendor-advisory
-
source.android.com
/security/bulletin/2018-12-01
not-applicable, vendor-advisory
-
securityfocus.com
/bid/105849
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-9543
- NVD CVE-2018-9543
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