CVE-2021-30927
Apple macOS Kernel Use After Free Vulnerability
Description
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. An application may be able to execute arbitrary code with kernel privileges.
INFO
Published Date :
Aug. 24, 2021, 7:15 p.m.
Last Modified :
Nov. 7, 2023, 3:33 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Affected Products
The following products are affected by CVE-2021-30927
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-30927.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-30927 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-30927 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Source Update by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Source MITRE Apple Inc. -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Apple Inc. https://support.apple.com/en-us/HT212975 [No types assigned] Added Reference Apple Inc. https://support.apple.com/en-us/HT212976 [No types assigned] Added Reference Apple Inc. https://support.apple.com/en-us/HT212978 [No types assigned] Added Reference Apple Inc. https://support.apple.com/en-us/HT212979 [No types assigned] Added Reference Apple Inc. https://support.apple.com/en-us/HT212981 [No types assigned] Added Reference Apple Inc. https://support.apple.com/en-us/HT212980 [No types assigned] Removed Reference MITRE https://support.apple.com/en-us/HT212975 Removed Reference MITRE https://support.apple.com/en-us/HT212978 Removed Reference MITRE https://support.apple.com/en-us/HT212979 Removed Reference MITRE https://support.apple.com/en-us/HT212976 Removed Reference MITRE https://support.apple.com/en-us/HT212981 Removed Reference MITRE https://support.apple.com/en-us/HT212980 -
Initial Analysis by [email protected]
Dec. 28, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://support.apple.com/en-us/HT212975 No Types Assigned https://support.apple.com/en-us/HT212975 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT212976 No Types Assigned https://support.apple.com/en-us/HT212976 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT212978 No Types Assigned https://support.apple.com/en-us/HT212978 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT212979 No Types Assigned https://support.apple.com/en-us/HT212979 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT212980 No Types Assigned https://support.apple.com/en-us/HT212980 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT212981 No Types Assigned https://support.apple.com/en-us/HT212981 Vendor Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions up to (excluding) 15.2 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 15.2 *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-005:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-007:*:*:*:*:*:* *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 11.0 up to (excluding) 11.6.2 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 12.0 up to (excluding) 12.1 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 15.2 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 8.3 -
CVE Modified by [email protected]
Dec. 23, 2021
Action Type Old Value New Value Changed Description ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by the CVE program. Notes: none. A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. An application may be able to execute arbitrary code with kernel privileges. Added Reference https://support.apple.com/en-us/HT212975 [No Types Assigned] Added Reference https://support.apple.com/en-us/HT212978 [No Types Assigned] Added Reference https://support.apple.com/en-us/HT212979 [No Types Assigned] Added Reference https://support.apple.com/en-us/HT212976 [No Types Assigned] Added Reference https://support.apple.com/en-us/HT212981 [No Types Assigned] Added Reference https://support.apple.com/en-us/HT212980 [No Types Assigned] -
CVE Unrejected by [email protected]
Dec. 23, 2021
Action Type Old Value New Value -
CVE Rejected by [email protected]
Aug. 24, 2021
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-30927 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-30927
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.14 }} 0.02%
score
0.49050
percentile