Security readout for executives and security teams
CVE-2021-30889 is a WebKit memory-safety flaw where malicious web content could cause code execution. For executives, the concern is user-driven exposure: browsing, opening web views, or viewing crafted content on affected Apple platforms before the fixed releases. Likely exposure is Apple endpoints or devices running affected pre-fix OS versions that process untrusted web content. The provided data also references a WebKitGTK/WPE WebKit advisory, but affected versions are not specified in the bundle. Treat as high priority for Apple fleet patching because the impact is arbitrary code execution through web content. Urgency is lower than confirmed exploited issues, but still material for user-facing devices. Mitigation focus: Update iOS and iPadOS to 15.1 or later.; Update macOS Monterey systems to 12.0.1 or later.; Update watchOS to 8.1 and tvOS to 15.1 where applicable..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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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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.
Open ATT&CK lookupCVE-2021-30889 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/en-us/HT212869CVE reference · x_refsource_MISC
- https://support.apple.com/en-us/HT212867CVE reference · x_refsource_MISC
- https://support.apple.com/en-us/HT212874CVE reference · x_refsource_MISC
- https://support.apple.com/en-us/HT212876CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.