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CVE Record

CVE-2023-21429: Improper usage of implict intent in ePDG prior to SMR JAN-2023 Release 1 allows attacker to access SSID.

Improper usage of implict intent in ePDG prior to SMR JAN-2023 Release 1 allows attacker to access SSID.

MediumCVSS 4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Samsung disclosed a medium-severity mobile issue where affected devices could expose the Wi-Fi SSID because ePDG used an implicit intent improperly. The stated impact is limited confidentiality loss, not device takeover or service disruption.

Executive priority

Handle through normal mobile patch governance unless sensitive wireless network names are highly confidential or patch lag is widespread. The business urgency is moderate because the known impact is limited, but unmanaged mobile exposure can persist for years.

Technical view

CVE-2023-21429 affects Samsung Mobile Devices on Android Q(10), R(11), S(12), and T(13) before SMR JAN-2023 Release 1. The CVE maps to CWE-285 and has CVSS 3.1 score 4.0: local attack vector, low complexity, no privileges, no user interaction, confidentiality low.

Likely exposure

Exposure is likely limited to Samsung Mobile Devices running the listed Android generations without Samsung's January 2023 security maintenance release. Enterprise risk depends on patch lag across managed and unmanaged mobile fleets.

Exploitation context

The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates local access is required, and the documented impact is access to SSID information only.

Researcher notes

Available public detail is sparse. The key technical facts are improper implicit intent usage in ePDG, CWE-285, and a confidentiality-only SSID exposure impact. Do not infer broader Wi-Fi credential compromise from the provided sources.

Mitigation direction

  • Update affected Samsung Mobile Devices to SMR JAN-2023 Release 1 or later.
  • Check Samsung guidance for model-specific update availability and carrier rollout status.
  • Use MDM compliance rules to flag devices below the January 2023 patch level.
  • Prioritize stale corporate devices that store or join sensitive wireless networks.

Validation and detection

  • Inventory Samsung Mobile Devices running Android 10 through Android 13.
  • Confirm each device reports SMR JAN-2023 Release 1 or a later security level.
  • Review MDM reports for noncompliant, unmanaged, or inactive devices.
  • Track Samsung advisory updates for any revised affected-version or remediation details.
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.

cwe · low confidence lookup

CWE-285: 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.

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cve · low confidence lookup

CVE-2023-21429 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
4 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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
4CVSS 3.1MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N2.51.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

4Medium
CVSS 3.1 vector shape for CVE-2023-21429Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Samsung MobileSamsung Mobile DevicesQ(10), R(11), S(12), T(13)Listed
Weakness

CWE details

CWE-285

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

CWE-285 · source CWE mapping

Improper Authorization

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

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