Security readout for executives and security teams
Plain-English summary
This CVE describes a Samsung Android kernel information disclosure issue. Affected devices could expose a kernel address through trustonic_tee, which may help weaken memory-protection assumptions. The sources do not provide CVSS scoring, confirmed exploitation, or detailed business impact.
Executive priority
Medium operational priority if older Samsung Android devices remain in use; otherwise low immediate urgency. The main business task is confirming whether legacy mobile assets still exist and whether they are patched or retired.
Technical view
CVE-2018-21083 affects Samsung mobile devices running Android M(6.0), N(7.x), and O(8.0) on Exynos or Qualcomm chipsets. The flaw is information disclosure of a kernel address via trustonic_tee. Samsung tracks it as SVE-2017-11175, associated with February 2018.
Likely exposure
Exposure is most likely limited to older Samsung mobile devices running Android 6, 7, or 8 with Exynos or Qualcomm chipsets. The structured affected-product fields are incomplete, so confirm device models and patch levels against Samsung guidance.
Exploitation context
The provided sources do not show active exploitation, public exploit use, CISA KEV listing, or attack prerequisites. Treat this as a potential hardening bypass component rather than a standalone confirmed breach vector based on available evidence.
Researcher notes
The record lacks CVSS, CWE, detailed affected model list, and explicit fix text. Analysis should stay anchored to the kernel address disclosure via trustonic_tee and Samsung SVE-2017-11175. Do not infer exploitation or broader TEE compromise from the provided evidence.
Mitigation direction
- Identify Samsung Android 6, 7, and 8 devices in managed fleets.
- Check Samsung guidance for SVE-2017-11175 and February 2018 updates.
- Apply vendor-supported firmware or security updates where available.
- Retire or restrict unsupported devices that cannot receive vendor fixes.
- Prioritize devices handling sensitive enterprise data or privileged applications.
Validation and detection
- Inventory Samsung device models, Android versions, chipsets, and security patch levels.
- Confirm whether devices match Android M, N, or O exposure criteria.
- Compare patch status with Samsung’s SVE-2017-11175 guidance.
- Review MDM compliance reports for outdated or unsupported firmware.
- Document any devices that cannot be remediated through 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
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CVE-2018-21083 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.