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Vulnerability Details : CVE-2021-30857

A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. A malicious application may be able to execute arbitrary code with kernel privileges.
Publish Date : 2021-08-24 Last Update Date : 2021-11-01
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute Code
CWE ID 362

- Products Affected By CVE-2021-30857

# Product Type Vendor Product Version Update Edition Language
1 OS Apple Ipad Os * * * * Version Details Vulnerabilities
2 OS Apple Iphone Os * * * * Version Details Vulnerabilities
3 OS Apple Mac Os X * * * * Version Details Vulnerabilities
4 OS Apple Mac Os X 10.15.7 Security Update 2021-002 * * Version Details Vulnerabilities
5 OS Apple Mac Os X 10.15.7 Security Update 2021-003 * * Version Details Vulnerabilities
6 OS Apple Mac Os X 10.15.7 Security Update 2021-004 * * Version Details Vulnerabilities
7 OS Apple Mac Os X 10.15.7 - * * Version Details Vulnerabilities
8 OS Apple Mac Os X 10.15.7 Supplemental Update * * Version Details Vulnerabilities
9 OS Apple Mac Os X 10.15.7 Security Update 2020-001 * * Version Details Vulnerabilities
10 OS Apple Mac Os X 10.15.7 Security Update 2021-001 * * Version Details Vulnerabilities
11 OS Apple Macos * * * * Version Details Vulnerabilities
12 OS Apple Tvos * * * * Version Details Vulnerabilities
13 OS Apple Watchos * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apple Ipad Os 1
Apple Iphone Os 1
Apple Mac Os X 8
Apple Macos 1
Apple Tvos 1
Apple Watchos 1

- References For CVE-2021-30857

- Metasploit Modules Related To CVE-2021-30857

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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