CVE-2021-1840
Apple macOS Privilege Escalation Memory Corruption
Description
A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A local attacker may be able to elevate their privileges.
INFO
Published Date :
Sept. 8, 2021, 3:15 p.m.
Last Modified :
June 28, 2022, 2:11 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
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-2021-1840.
| URL | Resource |
|---|---|
| https://support.apple.com/en-us/HT212325 | Vendor Advisory |
| https://support.apple.com/en-us/HT212326 | Vendor Advisory |
| https://support.apple.com/en-us/HT212327 | Vendor Advisory |
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-2021-1840 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-1840 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 -
CWE Remap by [email protected]
Jun. 28, 2022
Action Type Old Value New Value Changed CWE CWE-20 CWE-787 -
Initial Analysis by [email protected]
Sep. 15, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://support.apple.com/en-us/HT212325 No Types Assigned https://support.apple.com/en-us/HT212325 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT212326 No Types Assigned https://support.apple.com/en-us/HT212326 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT212327 No Types Assigned https://support.apple.com/en-us/HT212327 Vendor Advisory Added CWE NIST CWE-20 Added CPE Configuration OR *cpe:2.3:o:apple:mac_os_x:10.14:*:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.0:*:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.1:*:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.2:*:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.3:*:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.4:*:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.4:beta4:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.5:*:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:*:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-002:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15:*:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.1:*:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.2:*:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.3:*:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.4:*:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.5:*:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.6:*:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.6:-:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.6:supplemental_update:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:*:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:* *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:macos:*:*:*:*:*:*:*:* versions from (including) 11.0 up to (excluding) 11.3
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-1840 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-2021-1840
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile