Vulnerability Name: | CVE-2021-1867 (CCN-200680) | ||||||||||||
Assigned: | 2020-12-08 | ||||||||||||
Published: | 2021-04-26 | ||||||||||||
Updated: | 2021-09-20 | ||||||||||||
Summary: | An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5, macOS Big Sur 11.3. A malicious application may be able to execute arbitrary code with kernel privileges. | ||||||||||||
CVSS v3 Severity: | 8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) 7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
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CVSS v2 Severity: | 9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)
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Vulnerability Type: | CWE-125 | ||||||||||||
Vulnerability Consequences: | Gain Privileges | ||||||||||||
References: | Source: MITRE Type: CNA CVE-2021-1867 Source: XF Type: UNKNOWN apple-ios-cve20211867-priv-esc(200680) Source: CCN Type: Apple security document HT212317 About the security content of iOS 14.5 and iPadOS 14.5 Source: MISC Type: Vendor Advisory https://support.apple.com/en-us/HT212317 Source: MISC Type: Vendor Advisory https://support.apple.com/en-us/HT212325 | ||||||||||||
Vulnerable Configuration: | Configuration 1: Configuration CCN 1: ![]() | ||||||||||||
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