Security readout for executives and security teams
Plain-English summary
This is a Samsung mobile device issue affecting M(6.0) software. The reported impact is serious: an attacker could read files and emails and take over an email account. Public source data does not provide CVSS scoring, exact models, or confirmed fixed versions.
Executive priority
Treat this as a legacy mobile exposure issue with potentially high confidentiality and account-compromise impact. Prioritize finding old Samsung M(6.0) devices tied to business email and removing uncertainty quickly.
Technical view
CVE-2018-21071 describes an unprotected intent in Samsung mobile devices running M(6.0). The CVE states this can allow arbitrary file and email reads and email account takeover. Samsung tracks it as SVE-2018-11633 from May 2018.
Likely exposure
Exposure is most likely limited to legacy Samsung mobile devices still running M(6.0) software, especially devices configured with corporate email. The source bundle does not identify exact models, CPEs, or fixed builds.
Exploitation context
The provided sources do not report active exploitation, and the CVE is not marked KEV. The stated impact is high, but exploit prerequisites and attack surface details are not included in the bundle.
Researcher notes
The public record is sparse: no CVSS, CWE, CPE, exact component, affected model list, exploit prerequisites, or confirmed fixed version are present in the provided bundle. Validate scope against Samsung SVE-2018-11633 guidance.
Mitigation direction
- Check Samsung guidance for SVE-2018-11633 and applicable May 2018 security updates.
- Update affected Samsung M(6.0) devices if vendor-supported fixes are available.
- Retire or replace unsupported Samsung M(6.0) devices handling corporate email.
- Restrict corporate email access from devices that cannot be confirmed patched.
Validation and detection
- Inventory Samsung mobile devices and identify any running M(6.0) software.
- Check device patch levels against Samsung guidance for SVE-2018-11633.
- Confirm whether corporate email accounts are configured on potentially affected devices.
- Document unsupported or unverifiable devices for replacement or access restriction.
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-2018-21071 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://security.samsungmobile.com/securityUpdate.smsbCVE reference · x_refsource_CONFIRM
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.