Security readout for executives and security teams
Plain-English summary
CVE-2018-9468 is an Android DownloadManager permissions bypass that could let a local attacker read or rewrite arbitrary files. It affects Android 7, 8, 8.1, and 9 according to the source bundle. The business risk is data exposure and file integrity loss on unpatched legacy Android devices.
Executive priority
Treat this as high priority for organizations still operating older Android devices. Modern, fully patched fleets should mainly verify patch status; unsupported devices need retirement or compensating controls.
Technical view
The flaw is in query handling in Android DownloadManager.java. The CVSS 3.1 vector is local, low complexity, no privileges, no user interaction, with high confidentiality and integrity impact and no availability impact. The bundle cites Google Android security bulletin 2018-09-01 as the vendor reference.
Likely exposure
Exposure is most likely on legacy Android 7, 8, 8.1, or 9 devices lacking the relevant September 2018 Android security update or vendor backport.
Exploitation context
The bundle does not show KEV listing or active exploitation evidence. The CVSS vector indicates local exploitation without privileges or user interaction, so risk depends on attacker ability to run local code or access the affected device context.
Researcher notes
Evidence is limited to the CVE description and Android bulletin reference. No CWE, exploit details, or active exploitation source is provided. Validate against device firmware lineage because OEM patch delivery may differ from upstream Android bulletin timing.
Mitigation direction
- Apply the relevant Android September 2018 security update or vendor backport.
- Prioritize managed Android 7 through 9 devices still in production.
- Check vendor firmware guidance for device-specific patch availability.
- Retire or isolate devices that cannot receive supported Android security updates.
Validation and detection
- Inventory Android device versions and security patch levels across managed fleets.
- Confirm affected devices include the 2018-09-01 Android security bulletin fixes.
- Review OEM firmware notes for CVE-2018-9468 backport coverage.
- Flag unmanaged or unsupported Android 7 through 9 devices for remediation.
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.
CVE-2018-9468 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
- 7.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:N/UI:N/S:U/C:H/I:H/A:N2.55.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.7HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://source.android.com/security/bulletin/2018-09-01CVE 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.