Security readout for executives and security teams
Plain-English summary
CVE-2022-20345 is an Android Bluetooth flaw that could allow remote code execution without user interaction or extra privileges. The public source bundle limits affected versions to Android 12 and Android 12L. No source provided shows active exploitation.
Executive priority
Treat this as a moderate mobile security priority. The vulnerability has remote-code-execution characteristics over Bluetooth, but available sources do not show active exploitation. The practical focus is confirming Android 12 and 12L devices have received vendor updates.
Technical view
The issue is in Android's l2cble_process_sig_cmd function in l2c_ble.cc. A missing bounds check may allow an out-of-bounds write over Bluetooth. The CVSS 3.1 score is 6.5 with low confidentiality and integrity impact, no availability impact, and no privileges or user interaction required.
Likely exposure
Exposure is most likely on unpatched Android 12 or Android 12L devices, particularly devices with Bluetooth enabled and delayed OEM or carrier security updates. The bundle does not identify other Android versions or non-Android products as affected.
Exploitation context
The source description says exploitation could occur remotely over Bluetooth with no user interaction and no additional privileges. However, the CVE is not listed as KEV in the provided bundle, and no cited source confirms exploitation in the wild.
Researcher notes
The bundle identifies CWE-77, but the description itself is an out-of-bounds write from a missing bounds check. Analysis should stay anchored to the Android Bluetooth L2CAP BLE signal command path and the Android 12/12L scope. No exploit details or independent PoC evidence are provided.
Mitigation direction
- Apply OEM Android updates that include the August 2022 Android security bulletin fixes.
- Prioritize Android 12 and Android 12L devices in mobile device management remediation queues.
- Check device vendor guidance for model-specific patch availability and security patch levels.
- Restrict or disable Bluetooth where business impact is acceptable until patched.
Validation and detection
- Inventory Android 12 and Android 12L devices across managed and BYOD populations.
- Confirm each device reports a security patch level including the relevant August 2022 fixes.
- Review MDM compliance data for devices with Bluetooth enabled and outdated patch levels.
- Track exceptions for unsupported devices and define replacement or isolation plans.
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-77: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-20345 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
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
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 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:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N3.92.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://source.android.com/security/bulletin/2022-08-01CVE reference · x_refsource_MISC
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 Neutralization of Special Elements used in a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.