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CVE Record

CVE-2017-7020: An issue was discovered in certain Apple products.

An issue was discovered in certain Apple products. iOS before 10.3.3 is affected. Safari before 10.1.2 is affected. iCloud before 6.2.2 on Windows is affected. iTunes before 12.6.2 on Windows is affected. tvOS before 10.2.2 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2017-7020 is a WebKit memory corruption flaw in older Apple software. A malicious website could crash the application or potentially run arbitrary code. The practical concern is legacy Apple devices or Windows systems still running outdated Safari, iCloud, or iTunes versions.

Executive priority

Treat this as a legacy exposure cleanup item with high impact if affected systems remain in use. Prioritize internet-browsing endpoints and Windows systems with old Apple software.

Technical view

The CVE affects WebKit in iOS before 10.3.3, Safari before 10.1.2, iCloud for Windows before 6.2.2, iTunes for Windows before 12.6.2, and tvOS before 10.2.2. The source describes remote code execution or denial of service via crafted web content.

Likely exposure

Exposure is most likely in unmanaged, legacy, or unsupported endpoints that still browse web content using affected Apple software versions. Modern, patched Apple software should not be assumed exposed based on these sources.

Exploitation context

The sources describe remote attack through a crafted website, but they do not provide exploit maturity details. CISA KEV status is false in the bundle, so active exploitation is not established here.

Researcher notes

Evidence is limited to advisory-level detail: WebKit memory corruption, crafted website trigger, application crash or arbitrary code execution. No CVSS, CWE, exploit status, or detailed root cause is provided in the bundle.

Mitigation direction

  • Update iOS to 10.3.3 or later where supported.
  • Update Safari to 10.1.2 or later.
  • Update iCloud for Windows to 6.2.2 or later.
  • Update iTunes for Windows to 12.6.2 or later.
  • Update tvOS to 10.2.2 or later.
  • Check Apple guidance for unsupported systems without upgrade paths.

Validation and detection

  • Inventory versions of iOS, tvOS, Safari, iCloud for Windows, and iTunes for Windows.
  • Confirm all instances meet or exceed the fixed versions named in Apple advisories.
  • Identify legacy endpoints still using affected software for web content handling.
  • Review scanner findings for CVE-2017-7020 and referenced Apple security updates.
  • Document any unsupported systems and compensating controls.
Prepared
Confidence
high
Sources
8

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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description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. 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-2017-7020 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
7Source 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.