CVE-2021-30955
Apple macOS Monterey Kernel Arbitrary Code Execution
Description
A race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. A malicious 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, 3:34 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.0
Public PoC/Exploit Available at Github
CVE-2021-30955 has a 16 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-30955
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-2021-30955.
| URL | Resource |
|---|---|
| https://support.apple.com/en-us/HT212975 | |
| https://support.apple.com/en-us/HT212976 | |
| https://support.apple.com/en-us/HT212978 | |
| https://support.apple.com/en-us/HT212980 |
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).
All CVE - PoC in GitHub
poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate
None
None
None
A test app to check if your device is vulnerable to CVE-2021-30955
exploit hacktoberfest ios
Objective-C C
desc_race exploit for iOS 15.0 - 15.1.1 (with stable kernel r/w primitives) (CVE-2021-30955)
Objective-C C++ C
CVE-2021-30955 iOS 15.1.1 POC for 6GB RAM devices (A14-A15)
Swift Objective-C C
iOS 15.0-15.1 kernel exploit
C
iOS 15.1 kernel exploit POC for CVE-2021-30955
C
https://gist.github.com/jakeajames/37f72c58c775bfbdda3aa9575149a8aa compiled into a ipa 15.0-15.2b1
Jake Jame's proof of concept wrapped into an iOS app for CVE-2021-30955
Swift C
Clone from gist
C
My starred Repos
Gexo is an ????-tethered (probably has to be rootless) iOS 15, 15.0.1, ~~15.0.2~~, 15.1 Beta 3, 15.1, & 15.1.1 jailbreak
Discover the recently created open source projects.
open-source open-source-software open-source-project awesome-list
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-30955 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-30955 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/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/HT212976 Removed Reference MITRE https://support.apple.com/en-us/HT212980 -
Initial Analysis by [email protected]
Dec. 29, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:H/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:L/AC:H/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/HT212980 No Types Assigned https://support.apple.com/en-us/HT212980 Vendor Advisory Added CWE NIST CWE-362 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:macos:*:*:*:*:*:*:*:* versions 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 race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. A malicious 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/HT212976 [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-2021-30955 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-2021-30955
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.12 }} 0.01%
score
0.45813
percentile