LiveActive security incident?Get immediate response
CVE Record

CVE-2023-21444: Improper cryptographic implementation in Samsung Flow for PC 4.9.14.0 allows adjacent attackers to decrypt...

Improper cryptographic implementation in Samsung Flow for PC 4.9.14.0 allows adjacent attackers to decrypt encrypted messages or inject commands.

HighCVSS 7.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Samsung Flow for PC 4.9.14.0 used weak cryptographic implementation. An attacker on an adjacent network could potentially read encrypted messages or inject commands. The scope is limited by adjacent access and high attack complexity, but successful exploitation could affect confidentiality, integrity, and availability.

Executive priority

Prioritize identifying and updating or removing Samsung Flow for PC where present. This is high severity, but urgency is moderated by adjacent attack requirements, high complexity, and no cited active exploitation.

Technical view

CVE-2023-21444 is a CWE-326 improper cryptographic implementation issue in Samsung Flow for PC. The CVSS 3.1 score is 7.5 with AV:A/AC:H/PR:N/UI:N and high CIA impact. The public bundle identifies Samsung Flow for PC 4.9.14.0, but not a complete affected range or fixed version.

Likely exposure

Exposure is likely limited to Windows endpoints with Samsung Flow for PC installed, especially systems using it on shared or untrusted adjacent networks. Exact vulnerable version coverage is incomplete in the provided sources.

Exploitation context

The source bundle does not show CISA KEV listing or other evidence of active exploitation. The attack requires adjacent access, high complexity, no privileges, and no user interaction according to the CVSS vector.

Researcher notes

Key gaps are the unspecified affected version range, absent CPEs, and no fixed version in the provided bundle. Analysis should stay tied to Samsung's advisory and CVE records; do not assume broader Samsung products are affected.

Mitigation direction

  • Check Samsung's February 2023 security guidance for fixed Samsung Flow for PC versions.
  • Update Samsung Flow for PC to the vendor-supported fixed or latest version.
  • Remove Samsung Flow for PC where it is not business required.
  • Limit Samsung Flow use to trusted networks until version status is confirmed.
  • Track Samsung Mobile advisories for any clarification on affected or fixed versions.

Validation and detection

  • Inventory endpoints for Samsung Flow for PC installations.
  • Record installed Samsung Flow for PC versions, including 4.9.14.0.
  • Compare versions against Samsung's advisory and CVE records.
  • Confirm unused installations are removed or disabled.
  • Document any endpoints awaiting vendor guidance or update availability.
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 · low confidence lookup

CWE-326: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2023-21444 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
7.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:A/AC:H/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
7.5CVSS 3.1HighCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H1.65.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2023-21444Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:A/AC:H/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
Samsung MobileSamsung Flow for PCunspecifiedListed
Weakness

CWE details

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

CWE-326 · source CWE mapping

Inadequate Encryption Strength

Inadequate Encryption Strength represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.