Security readout for executives and security teams
Plain-English summary
CVE-2018-9466 is a high-severity Android memory-safety flaw. A crafted interaction could trigger an out-of-bounds write and allow privilege escalation from an unprivileged app context. The provided sources say user interaction is required and do not show KEV-listed active exploitation.
Executive priority
Prioritize remediation for legacy Android fleets and any vendor products confirmed by NetApp guidance. The issue has high impact, but the available evidence indicates user interaction is required and does not confirm active exploitation.
Technical view
The flaw is CWE-787 in xmlSnprintfElementContent within valid.c. The CVSS 3.1 vector is 8.8 high, network reachable, low complexity, no privileges required, user interaction required, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure centers on Android 7, 8, 8.1, nyc-mr1-dev, and nyc-mr2-dev systems. Organizations should also review the NetApp advisory for any dependent product exposure, but the supplied bundle does not identify specific affected NetApp products.
Exploitation context
The source bundle supports potential remote privilege escalation requiring user interaction. It does not provide exploit details, proof of active exploitation, or CISA KEV inclusion. Treat exploitation status as unconfirmed unless vendor or KEV evidence changes.
Researcher notes
Focus validation on version and patch-level evidence rather than exploit reproduction. The bundle identifies the vulnerable function and CWE, but does not include commit details, parser inputs, or safe test cases. Avoid assuming impact beyond the Android and advisory scope provided.
Mitigation direction
- Apply Android security updates covering the September 2018 bulletin.
- Review the NetApp advisory for product-specific status and vendor guidance.
- Prioritize unsupported Android 7, 8, and 8.1 devices for upgrade or retirement.
- Restrict exposure of legacy mobile devices where vendor patches cannot be applied.
Validation and detection
- Inventory Android devices and confirm OS versions and patch levels.
- Check whether Android 7, 8, or 8.1 devices remain in production.
- Review NetApp advisory applicability against deployed NetApp products.
- Document compensating controls for devices that cannot receive vendor updates.
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-787: 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-2018-9466 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
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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.
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:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://source.android.com/security/bulletin/2018-09-01CVE reference
- https://security.netapp.com/advisory/ntap-20241108-0002/CVE 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.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.