Security readout for executives and security teams
Plain-English summary
CVE-2024-43093 is an Android file-access control flaw where Unicode normalization can let a local app bypass a filter meant to hide sensitive directories. It is high impact because CISA lists it in KEV, indicating known exploitation. Exploitation still requires local conditions and user interaction.
Executive priority
Treat this as a high-priority mobile patching issue because it is KEV-listed and affects supported Android versions. Focus on patch compliance, unsupported device risk, and BYOD access controls rather than emergency network mitigation.
Technical view
The flaw is in Android ExternalStorageProvider.java shouldHideDocument. Incorrect Unicode normalization can bypass a file path filter protecting sensitive directories, causing local privilege escalation with high confidentiality, integrity, and availability impact. Sources identify Android 12, 12L, 13, 14, and 15 as affected.
Likely exposure
Organizations with managed or BYOD Android devices on affected versions may be exposed until OEM security updates containing the Android March 2025 bulletin fixes are applied. Exposure depends on device model, patch level, and vendor update availability.
Exploitation context
CISA KEV listing supports known exploitation. The provided sources do not describe exploitation volume, targets, exploit chains, or public proof-of-concept details. CVSS indicates local attack vector, low complexity, low privileges, and required user interaction.
Researcher notes
Root cause is Unicode normalization weakness mapped to CWE-176 in ExternalStorageProvider.shouldHideDocument. The public bundle identifies the vulnerable component and patch reference, but does not provide exploit mechanics or indicators. Do not assume remote exploitability from these sources.
Mitigation direction
- Apply Android security updates covering the March 2025 bulletin.
- Prioritize Android 12, 12L, 13, 14, and 15 devices.
- Use MDM compliance rules to block outdated patch levels.
- Check OEM guidance for device-specific update availability.
- Retire or isolate devices that cannot receive vendor fixes.
Validation and detection
- Inventory Android versions and security patch levels across managed devices.
- Confirm devices include the Android March 2025 security bulletin fixes.
- Review MDM reports for noncompliant or unsupported devices.
- Track CISA KEV remediation deadlines where applicable.
- Validate OEM advisories for device-specific patch status.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-176: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2024-43093 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.3 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H1.35.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.3HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://android.googlesource.com/platform/frameworks/base/+/7f83c671626f9bf993581f4598c22482d87cba10CVE reference
- https://source.android.com/security/bulletin/2025-03-01CVE reference
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-43093CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Handling of Unicode Encoding
Improper Handling of Unicode Encoding represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.