LiveActive security incident?Get immediate response
CVE Record

CVE-2018-21084: An issue was discovered on Samsung mobile devices with L(5.1), M(6.0), and N(7.x) software.

An issue was discovered on Samsung mobile devices with L(5.1), M(6.0), and N(7.x) software. There is a race condition with a resultant read-after-free issue in get_kek. The Samsung ID is SVE-2017-11174 (February 2018).

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This CVE concerns older Samsung mobile devices running Android 5.1, 6.0, or 7.x. The issue is a race condition that can lead to a read-after-free in get_kek. The public bundle does not provide CVSS, impact details, or active exploitation evidence.

Executive priority

Prioritize as a legacy-device hygiene issue unless internal inventory shows affected Samsung devices still in use. Business urgency depends on whether those devices handle sensitive data or remain unmanaged.

Technical view

Samsung tracked this as SVE-2017-11174 in the February 2018 mobile security context. The flaw is described as a race condition with resultant read-after-free behavior in get_kek on Samsung L, M, and N software branches. No CWE, CPE, or exploit details are provided.

Likely exposure

Exposure is most likely limited to legacy Samsung mobile devices running Android L(5.1), M(6.0), or N(7.x). The source bundle does not identify specific models, CPEs, or supported product names.

Exploitation context

The provided bundle does not show CISA KEV listing, active exploitation, public exploit availability, or exploitation prerequisites. Treat exploit status as unconfirmed rather than absent.

Researcher notes

The public evidence is sparse: no CVSS, CWE, CPE, model list, root-cause detail beyond race/read-after-free, or confirmed impact. Avoid assuming privilege escalation, code execution, or exploitability without additional Samsung advisory detail.

Mitigation direction

  • Check Samsung's security update guidance for SVE-2017-11174 and CVE-2018-21084.
  • Confirm affected devices have February 2018 or later relevant Samsung security updates.
  • Retire or isolate legacy devices that cannot receive vendor security updates.
  • Use mobile device management to enforce minimum OS and patch levels.

Validation and detection

  • Inventory Samsung mobile devices and record Android version and security patch level.
  • Identify devices running Android 5.1, 6.0, or 7.x software.
  • Compare device patch status against Samsung's February 2018 security guidance.
  • Document unsupported or unpatchable devices for replacement or risk acceptance.
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.

cve · low confidence lookup

CVE-2018-21084 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
Unknown
CVSS
Not scored
Known Exploited
No
Published
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.

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

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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