FKIE_CVE-2021-1789
Vulnerability from fkie_nvd - Published: 2021-04-02 18:15 - Updated: 2026-06-17 03:32
Severity
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.8 (High) - CVSS:3.1/
Summary
A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| apple | ipados | * | |
| apple | iphone_os | * | |
| apple | mac_os_x | * | |
| apple | mac_os_x | * | |
| apple | mac_os_x | 10.14.6 | |
| apple | mac_os_x | 10.14.6 | |
| apple | mac_os_x | 10.14.6 | |
| apple | mac_os_x | 10.14.6 | |
| apple | mac_os_x | 10.14.6 | |
| apple | mac_os_x | 10.14.6 | |
| apple | mac_os_x | 10.14.6 | |
| apple | mac_os_x | 10.14.6 | |
| apple | mac_os_x | 10.14.6 | |
| apple | mac_os_x | 10.14.6 | |
| apple | mac_os_x | 10.14.6 | |
| apple | mac_os_x | 10.14.6 | |
| apple | mac_os_x | 10.14.6 | |
| apple | mac_os_x | 10.14.6 | |
| apple | mac_os_x | 10.15.7 | |
| apple | mac_os_x | 10.15.7 | |
| apple | macos | * | |
| apple | tvos | * | |
| apple | watchos | * | |
| fedoraproject | fedora | 32 | |
| fedoraproject | fedora | 33 | |
| webkitgtk | webkitgtk | * |
{
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"cisaExploitAdd": "2022-05-04",
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},
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"value": "Se abord\u00f3 un problema de confusi\u00f3n de tipos con un manejo del estado mejorado.\u0026#xa0;Este problema es corregido en macOS Big Sur versi\u00f3n 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS versi\u00f3n 14.4, watchOS versi\u00f3n 7.3, iOS versi\u00f3n 14.4 y iPadOS versi\u00f3n 14.4, Safari versi\u00f3n 14.0.3.\u0026#xa0;El procesamiento de contenido web dise\u00f1ado malicioso puede conllevar a una ejecuci\u00f3n de c\u00f3digo arbitraria."
}
],
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"lastModified": "2026-06-17T03:32:33.900",
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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