CVE-2024-43093
Android Framework Privilege Escalation Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 28 November 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
In shouldHideDocument of ExternalStorageProvider.java, there is a possible bypass of a file path filter designed to prevent access to sensitive directories due to incorrect unicode normalization. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.
- CVSS 3.1
- 7.3 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.71% probability · 52th percentile
- CISA KEV
- Listed 7 November 2024 · due 28 November 2024
- Weakness
- CWE-176
- Affected
- google/android
- Source
- security@android.com
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://source.android.com/docs/security/bulletin/2024-11-01 ; https://nvd.nist.gov/vuln/detail/CVE-2024-43093
References
- https://android.googlesource.com/platform/frameworks/base/+/7f83c671626f9bf993581f4598c22482d87cba10Patch
- https://source.android.com/security/bulletin/2025-03-01Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-43093Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.