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CVE Record

CVE-2021-39373: Samsung Drive Manager 2.0.104 on Samsung H3 devices allows attackers to bypass intended access controls on...

Samsung Drive Manager 2.0.104 on Samsung H3 devices allows attackers to bypass intended access controls on disk management. WideCharToMultiByte, WideCharStr, and MultiByteStr can contribute to password exposure.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

Samsung Drive Manager 2.0.104 used with Samsung H3 devices may expose disk-management passwords or bypass intended access controls. The available public record does not provide severity scoring, attack requirements, or vendor remediation details, so urgency depends on whether this software manages sensitive data in your environment.

Executive priority

Treat this as an exposure-discovery task first. Prioritize systems handling sensitive data, because password exposure could affect confidentiality, but the public evidence does not support a known exploited or severity-rated emergency.

Technical view

The CVE describes an access-control bypass in Samsung Drive Manager 2.0.104 on Samsung H3 devices, with WideCharToMultiByte, WideCharStr, and MultiByteStr contributing to password exposure. Sources do not provide CVSS, CWE, exploit preconditions, affected CPEs, or a confirmed fix.

Likely exposure

Likely limited to endpoints or users running Samsung Drive Manager 2.0.104 with Samsung H3 storage devices. Exposure cannot be generalized beyond that product/version from the supplied sources.

Exploitation context

The CVE is not marked KEV, and the provided sources do not state active exploitation. The public description suggests local software/device exposure, but attack vector and prerequisites are not documented here.

Researcher notes

The record is sparse: no CVSS, CWE, CPE, exploit status, or patch details are provided. Avoid broad product assumptions. Focus research on reproducing impact only in authorized lab conditions and tracking vendor or advisory updates.

Mitigation direction

  • Inventory Samsung Drive Manager installations and identify version 2.0.104.
  • Identify Samsung H3 devices used with sensitive business data.
  • Check Samsung or advisory guidance for supported updates or replacement actions.
  • Remove unused Drive Manager software or unused H3 devices after business approval.
  • Avoid storing sensitive credentials on affected managed disks until remediation is confirmed.

Validation and detection

  • Confirm installed Drive Manager versions through endpoint software inventory.
  • Match discovered devices against Samsung H3 usage records.
  • Review whether affected systems handle regulated or confidential data.
  • Check vendor and GHSA pages for updated remediation details.
  • Document uncertainty where attack vector or fix information is absent.
Prepared
Confidence
medium
Sources
3

Public sources used

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.

description · low confidence lookup

Credential and access behavior lookup

The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2021-39373 mapping review

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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.