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CVE Record

CVE-2022-22658: An input validation issue was addressed with improved input validation.

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 16.0.3. Processing a maliciously crafted email message may lead to a denial-of-service.

MediumCVSS 6.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This Apple iOS issue can let a maliciously crafted email message crash or disrupt the affected device or email-processing path. The public sources describe denial-of-service impact, not data theft or code execution. Apple says the issue is fixed in iOS 16.0.3.

Executive priority

Treat this as a medium-priority mobile resilience issue. It affects availability, not confidentiality or integrity in the public record, but executives should ensure mobile update compliance for staff who depend on iOS email access.

Technical view

CVE-2022-22658 is a CWE-20 input validation flaw in Apple iOS. The CVSS 3.1 vector is network-reachable with low attack complexity, no privileges required, and user interaction required. The documented impact is high availability loss after processing a crafted email message.

Likely exposure

Exposure is limited to Apple iOS devices running affected, unspecified versions before the iOS 16.0.3 fix. The source bundle does not enumerate exact vulnerable builds, device models, or mail components.

Exploitation context

The bundle does not cite active exploitation, public exploit use, or CISA KEV listing. The known attack condition is processing a maliciously crafted email message, with denial-of-service as the stated outcome.

Researcher notes

Public detail is sparse: Apple identifies improved input validation and crafted email processing, but not the precise component, affected version range, or crash condition. Avoid assuming broader Apple platforms or exploitability beyond denial-of-service.

Mitigation direction

  • Update managed iPhones to iOS 16.0.3 or later where supported.
  • Use MDM compliance rules to flag devices below the fixed iOS release.
  • Review Apple advisory HT213480 for deployment-specific guidance.
  • Prioritize users who process high volumes of external email.

Validation and detection

  • Inventory iOS versions across managed and unmanaged mobile fleets.
  • Confirm devices report iOS 16.0.3 or later after remediation.
  • Check MDM compliance drift for devices unable to update.
  • Review support tickets for repeated email-triggered device crashes.
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

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cwe · low confidence lookup

CWE-20: Exact CWE lookup

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cve · low confidence lookup

CVE-2022-22658 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/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
6.5CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H2.83.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.5Medium
CVSS 3.1 vector shape for CVE-2022-22658Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
AppleiOSunspecifiedListed
Weakness

CWE details

CWE-20

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