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CVE Record

CVE-2020-29608: An out-of-bounds read was addressed with improved bounds checking.

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.3, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, watchOS 7.2. A remote attacker may be able to leak memory.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This Apple vulnerability could let a remote attacker cause an affected device to disclose memory. That may expose sensitive data, but the supplied sources do not show active exploitation, a CVSS score, or exact vulnerable version ranges. Apple fixed it across iOS, iPadOS, macOS, tvOS, and watchOS updates.

Executive priority

Treat this as a routine but meaningful Apple patch compliance item. Prioritize internet-facing, executive, BYOD, and unmanaged Apple devices because the stated impact is remote memory leakage.

Technical view

CVE-2020-29608 is an Apple out-of-bounds read addressed with improved bounds checking. The stated impact is possible remote memory disclosure. Fixed releases include iOS/iPadOS 14.3, tvOS 14.3, watchOS 7.2, macOS Big Sur 11.1/11.2, and Catalina/Mojave security updates.

Likely exposure

Exposure is most likely on Apple devices that missed the listed 2020 and 2021 security updates. The supplied data names affected product families but not precise vulnerable version ranges or the affected component.

Exploitation context

The source bundle states a remote attacker may be able to leak memory. It does not provide KEV status, public exploitation evidence, exploit details, or observed attack campaigns.

Researcher notes

The record lacks CVSS, CWE, component detail, and exact vulnerable ranges. Analysis should stay tied to Apple advisory version checks and asset inventory rather than assumptions about exploitability or affected subsystems.

Mitigation direction

  • Update iOS and iPadOS devices to 14.3 or later supported releases.
  • Update tvOS devices to 14.3 or later supported releases.
  • Update watchOS devices to 7.2 or later supported releases.
  • Apply the listed macOS Big Sur, Catalina, or Mojave security updates.
  • Check Apple guidance for currently supported replacement updates.

Validation and detection

  • Inventory Apple endpoints and record OS versions.
  • Confirm devices meet or exceed the fixed versions named by Apple.
  • Review MDM compliance reports for missing Apple security updates.
  • Check exception lists for unmanaged or legacy Apple devices.
  • Verify Apple security update installation in device management tooling.
Prepared
Confidence
medium
Sources
7

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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CVE-2020-29608 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
6Source 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
AppleiOS and iPadOSunspecifiedListed
AppletvOSunspecifiedListed
ApplewatchOSunspecifiedListed
ApplemacOSunspecifiedListed
ApplemacOSunspecifiedListed
Weakness

CWE details

No CWE listed

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