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CVE Record

CVE-2023-40393: An authentication issue was addressed with improved state management.

An authentication issue was addressed with improved state management. This issue is fixed in iOS 17 and iPadOS 17, macOS Sonoma 14. Photos in the Hidden Photos Album may be viewed without authentication.

HighCVSS 7.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This Apple issue could allow photos stored in the Hidden Photos Album to be viewed without authentication. The business impact is privacy and confidentiality exposure on affected iPhones, iPads, and Macs. Apple says it fixed the authentication state-management problem in iOS 17, iPadOS 17, and macOS Sonoma 14.

Executive priority

Prioritize remediation for executives, legal, HR, healthcare, field teams, and shared devices where sensitive images may be present. Treat as a confidentiality issue with limited public detail, not as confirmed active exploitation.

Technical view

CVE-2023-40393 is an authentication bypass issue mapped to CWE-306. The source states improved state management fixed a flaw where Hidden Photos Album contents may be viewed without authentication. The provided CVSS 3.1 score is 7.5 with high confidentiality impact, but exact vulnerable version ranges are not specified.

Likely exposure

Organizations with Apple iOS, iPadOS, or macOS devices below the fixed releases may be exposed. Exposure is most relevant where users store sensitive images in the Hidden Photos Album. The source bundle does not define exact affected version ranges.

Exploitation context

The bundle does not cite active exploitation, and the CVE is not marked as CISA KEV. Public source detail is limited to the authentication failure and fixed Apple releases. Do not infer exploit availability or attack preconditions beyond the supplied CVSS and Apple summary.

Researcher notes

The source bundle lacks affected version granularity, attack path detail, and exploit status. Apple characterizes the fix as improved state management. The CVSS vector indicates unauthenticated network attack complexity is low, but the Apple summary itself does not explain that path.

Mitigation direction

  • Update iPhones and iPads to iOS 17 or iPadOS 17 or later.
  • Update Macs to macOS Sonoma 14 or later.
  • Check Apple security guidance for any branch-specific updates not listed here.
  • Advise users not to rely on Hidden Photos Album as sole protection until updated.

Validation and detection

  • Inventory managed Apple devices and compare OS versions against fixed releases.
  • Confirm update compliance through MDM, endpoint inventory, or device settings.
  • Verify Hidden Photos Album requires authentication after patching.
  • Document exceptions for devices unable to upgrade and track compensating controls.
Prepared
Confidence
medium
Sources
6

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 · medium confidence lookup

CWE-306: Credential and account abuse lookup

Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. 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-2023-40393 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:N/AC:L/PR:N/UI:N/S:U/C:H/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
5Source 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:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2023-40393Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
AppleiOS and iPadOSunspecifiedListed
ApplemacOSunspecifiedListed
Weakness

CWE details

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

CWE-306 · source CWE mapping

Missing Authentication for Critical Function

Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.