Security readout for executives and security teams
Plain-English summary
CVE-2018-9420 is an Android CameraService flaw that could expose information from affected devices. It requires local access or a local app context, does not require user interaction, and affects confidentiality only. Business risk is mainly from older Android fleets or unsupported devices still running affected releases.
Executive priority
Treat this as a moderate legacy Android fleet risk. It is not described as remote code execution or actively exploited, but it can expose sensitive information locally. Prioritize patch verification and removal of unsupported devices from sensitive environments.
Technical view
The issue is uninitialized data exposure in BnCameraService::onTransact in CameraService.cpp. The CVSS 3.1 vector is AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, score 5.5. Affected versions listed are Android 6, 6.0.1, 7, 8, 8.1, and nyc-mr development branches.
Likely exposure
Exposure is most likely on legacy Android 6 through 8.1 devices that did not receive the July 2018 Android security bulletin fixes or equivalent OEM updates. Internet-facing server exposure is not indicated by the sources.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. Exploitation is local, low complexity, and requires privileges according to CVSS. User interaction is not required. No public exploit steps are provided in the cited sources.
Researcher notes
Focus validation on framework CameraService patch status and Android security patch level. Evidence supports local information disclosure from uninitialized data. The bundle does not provide patch commit details, exploit telemetry, or OEM-specific remediation timelines.
Mitigation direction
- Apply Android security updates covering the July 2018 bulletin.
- Check OEM guidance for device-specific patch availability.
- Retire or isolate unsupported Android 6 through 8.1 devices.
- Enforce MDM compliance for Android security patch levels.
- Limit sensitive workloads on unpatched legacy Android devices.
Validation and detection
- Inventory Android versions across managed devices.
- Confirm Android security patch level includes July 2018 fixes.
- Check OEM bulletin mapping for CVE-2018-9420 coverage.
- Flag affected devices lacking vendor update support.
- Verify scanners report CVE-2018-9420 as remediated after patching.
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-908: Exact CWE lookup
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Open ATT&CK lookupCVE-2018-9420 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
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://source.android.com/security/bulletin/2018-07-01CVE reference
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.
Use of Uninitialized Resource
Use of Uninitialized Resource represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.