fkie_cve-2021-30858
Vulnerability from fkie_nvd
Published
2021-08-24 19:15
Modified
2025-01-29 18:15
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/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| apple | ipados | * | |
| apple | iphone_os | * | |
| apple | iphone_os | * | |
| apple | macos | * | |
| fedoraproject | fedora | 33 | |
| fedoraproject | fedora | 34 | |
| debian | debian_linux | 10.0 | |
| debian | debian_linux | 11.0 |
{
"cisaActionDue": "2021-11-17",
"cisaExploitAdd": "2021-11-03",
"cisaRequiredAction": "Apply updates per vendor instructions.",
"cisaVulnerabilityName": "Apple iOS, iPadOS, macOS Use-After-Free Vulnerability",
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited."
},
{
"lang": "es",
"value": "Se ha solucionado un problema de uso despu\u00e9s de la liberaci\u00f3n con una mejor gesti\u00f3n de la memoria. Este problema se ha solucionado en iOS 14.8 y iPadOS 14.8, macOS Big Sur 11.6. El procesamiento de contenido web malicioso puede conducir a la ejecuci\u00f3n de c\u00f3digo arbitrario. Apple tiene conocimiento de un informe que indica que este problema puede haber sido explotado activamente."
}
],
"id": "CVE-2021-30858",
"lastModified": "2025-01-29T18:15:42.010",
"metrics": {
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"acInsufInfo": false,
"baseSeverity": "MEDIUM",
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"accessVector": "NETWORK",
"authentication": "NONE",
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"baseScore": 6.8,
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"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
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"exploitabilityScore": 8.6,
"impactScore": 6.4,
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"obtainOtherPrivilege": false,
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"source": "nvd@nist.gov",
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"confidentialityImpact": "HIGH",
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"privilegesRequired": "NONE",
"scope": "UNCHANGED",
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"published": "2021-08-24T19:15:14.253",
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"vulnStatus": "Modified",
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.