Security readout for executives and security teams
Plain-English summary
This Android flaw could let a local app keep notification-listener access after it should lose it because an exception is not handled correctly. That access can expose sensitive notification content and represents local privilege escalation. Google lists Android 11, 12, 12L, and 13 as affected. No supplied source shows active exploitation.
Executive priority
Prioritize patch compliance for affected Android fleets, especially devices handling sensitive messages or business notifications. This is not supported as actively exploited in the supplied sources, but the access retained is privacy-sensitive and operationally relevant.
Technical view
CVE-2023-21246 is in Android ShortcutInfo.java. An uncaught exception in ShortcutInfo handling may allow retention of notification listener access, mapped to CWE-273. The issue requires local app context, needs no additional execution privileges, and does not require user interaction according to the CVE description.
Likely exposure
Organizations are exposed where Android 11, 12, 12L, or 13 devices have not received the relevant July 2023 Android security fixes. Exposure depends on OEM update delivery and device patch level, not only Android major version.
Exploitation context
The bundle does not cite KEV listing or active exploitation. The stated scenario is local escalation of privilege by retaining notification-listener access; no network attack path is described. Treat exploitability details as incomplete.
Researcher notes
Public detail is limited to the CVE description, Android bulletin, and framework commit reference. Do not infer broader affected products, exploit maturity, or technical prerequisites beyond local context, no extra privileges, and no user interaction.
Mitigation direction
- Apply Android security updates covering the July 2023 bulletin or later.
- Prioritize managed devices running Android 11, 12, 12L, or 13.
- Check OEM advisories for device-specific patch availability and timing.
- Restrict installation of untrusted apps through mobile device management policies.
Validation and detection
- Inventory Android versions and security patch levels across managed devices.
- Confirm affected devices received the July 2023 Android security bulletin fixes or later.
- Review EMM compliance reports for outdated Android patch levels.
- Monitor for unexpected notification-listener permission retention on managed devices.
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-273: 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-2023-21246 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
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 Check for Dropped Privileges
Improper Check for Dropped Privileges represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.