LiveActive security incident?Get immediate response
CVE Record

CVE-2017-18307: Information Exposure in Kernel

Information disclosure possible while audio playback.

HighCVSS 8.4Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This vulnerability affects listed Qualcomm Snapdragon platforms and may expose information during audio playback. The public description is brief, but Qualcomm and CVE metadata rate it high severity. Organizations should treat exposure as device-firmware risk, especially for managed Android or embedded devices using the named chipsets.

Executive priority

Prioritize remediation where affected Snapdragon devices handle sensitive business data or remain unmanaged. The issue is high severity, but current public evidence does not show active exploitation. Business urgency depends on whether affected devices are still deployed and patchable.

Technical view

CVE-2017-18307 is a CWE-200 information exposure issue in Qualcomm Snapdragon kernel-related audio playback handling. The CVSS 3.1 vector is local, low complexity, no privileges, no user interaction, scope unchanged, with high C/I/A impact. Public sources do not provide root cause detail, exploitability detail, or a standalone patch identifier.

Likely exposure

Exposure is most likely on devices using Snapdragon SD 450, SD 625, SD 820, SD 820A, SD 835, SD 845, or SD 850 firmware that did not receive relevant OEM or Qualcomm security updates.

Exploitation context

The provided sources do not show active exploitation, and the CVE is not listed as KEV. The CVSS vector indicates local access is required, with no privileges or user interaction needed. No public exploit steps are described in the source bundle.

Researcher notes

The public record is sparse: it names information disclosure during audio playback but does not describe the vulnerable code path. Treat the affected list narrowly and validate through OEM firmware lineage because Qualcomm platform fixes usually reach devices through manufacturers and carriers.

Mitigation direction

  • Check Qualcomm May 2018 bulletin and OEM advisories for applicable firmware fixes.
  • Update affected devices to vendor firmware containing the relevant Qualcomm security update.
  • Prioritize managed mobile, automotive, and embedded devices using listed Snapdragon platforms.
  • Retire or isolate unsupported devices that cannot receive vendor firmware updates.

Validation and detection

  • Inventory devices and map hardware to listed Snapdragon SoCs.
  • Compare firmware and Android security patch levels against OEM security bulletins.
  • Confirm vulnerability scanner findings reference CVE-2017-18307 or the Qualcomm May 2018 bulletin.
  • Monitor Qualcomm, OEM, and CISA KEV sources for any exploitation-status changes.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · medium confidence lookup

CWE-200: Information exposure and cloud metadata lookup

Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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 lookup
cve · low confidence lookup

CVE-2017-18307 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
8.4 (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:H

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
8.4CVSS 3.1HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H2.55.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

8.4High
CVSS 3.1 vector shape for CVE-2017-18307Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Qualcomm, Inc.SnapdragonSD 450, SD 625, SD 820, SD 820A, SD 835, SD 845, SD 850unaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-200 · source CWE mapping

Exposure of Sensitive Information to an Unauthorized Actor

Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.