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CVE Record

CVE-2021-30960: A buffer overflow issue was addressed with improved memory handling.

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. Parsing a maliciously crafted audio file may lead to disclosure of user information.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-30960 is an Apple vulnerability where parsing a malicious audio file could disclose user information. Apple says it was caused by a buffer overflow and fixed through improved memory handling in iOS/iPadOS 15.2, macOS Monterey 12.1, watchOS 8.3, and tvOS 15.2.

Executive priority

Treat this as a routine but necessary Apple platform update. The issue can expose user information through malicious audio content, but the available sources do not show active exploitation or provide severity scoring.

Technical view

The public record describes a buffer overflow in Apple audio-file parsing that can lead to user information disclosure. The affected component is not named in the provided sources, and no CVSS score, CWE, or detailed affected-version range is provided.

Likely exposure

Exposure is most likely on Apple devices running versions before the named fixed releases: iOS/iPadOS 15.2, macOS Monterey 12.1, watchOS 8.3, or tvOS 15.2. The source bundle does not define exact vulnerable version ranges.

Exploitation context

The provided sources support a maliciously crafted audio file as the trigger. They do not state active exploitation, public exploit availability, attack complexity, or whether user interaction is required beyond file parsing. CISA KEV status is false in the bundle.

Researcher notes

The record lacks component detail, vulnerable version ranges, CVSS, CWE, and exploit telemetry. Analysis should stay tied to Apple’s advisories and the CVE description; avoid assuming broader media-framework impact without additional vendor evidence.

Mitigation direction

  • Update Apple devices to the named fixed versions or later.
  • Prioritize managed fleets with older iOS, iPadOS, macOS, watchOS, or tvOS builds.
  • Check Apple security advisories for product-specific update guidance.
  • Reduce handling of untrusted audio files until affected systems are updated.

Validation and detection

  • Inventory Apple operating system versions across managed endpoints.
  • Confirm iOS and iPadOS devices are on 15.2 or later.
  • Confirm macOS Monterey systems are on 12.1 or later.
  • Confirm watchOS devices are on 8.3 or later.
  • Confirm tvOS devices are on 15.2 or later.
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-2021-30960 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
ApplewatchOSunspecifiedListed
AppleiOS and iPadOSunspecifiedListed
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.