CVE-2021-22326
Huawei HarmonyOS Privilege Escalation Vulnerability
Description
A component of the HarmonyOS has a Privilege Dropping / Lowering Errors vulnerability. Local attackers may exploit this vulnerability to obtain Kernel space read/write capability.
INFO
Published Date :
June 30, 2021, 2:15 p.m.
Last Modified :
Nov. 21, 2024, 5:49 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.2
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-2021-22326.
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-2021-22326 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-22326 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.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://device.harmonyos.com/cn/docs/security/update/security-bulletins-202107-0000001123874808 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Nov. 02, 2021
Action Type Old Value New Value Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:N) Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Changed Reference Type https://device.harmonyos.com/cn/docs/security/update/security-bulletins-202107-0000001123874808 No Types Assigned https://device.harmonyos.com/cn/docs/security/update/security-bulletins-202107-0000001123874808 Vendor Advisory Changed CPE Configuration OR *cpe:2.3:o:huawei:emui:10.1.1:*:*:*:*:*:*:* *cpe:2.3:o:huawei:emui:11.0.0:*:*:*:*:*:*:* *cpe:2.3:o:huawei:emui:11.0.1:*:*:*:*:*:*:* *cpe:2.3:o:huawei:magic_ui:3.1.1:*:*:*:*:*:*:* *cpe:2.3:o:huawei:magic_ui:4.0.1:*:*:*:*:*:*:* OR *cpe:2.3:o:huawei:harmonyos:2.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 28, 2021
Action Type Old Value New Value Changed Description There is an Incorrect Privilege Assignment Vulnerability in Huawei Smartphone. Successful exploitation of this vulnerability may affect service confidentiality. A component of the HarmonyOS has a Privilege Dropping / Lowering Errors vulnerability. Local attackers may exploit this vulnerability to obtain Kernel space read/write capability. Removed Reference https://consumer.huawei.com/en/support/bulletin/2021/5/ [Vendor Advisory] Added Reference https://device.harmonyos.com/cn/docs/security/update/security-bulletins-202107-0000001123874808 [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 06, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://consumer.huawei.com/en/support/bulletin/2021/5/ No Types Assigned https://consumer.huawei.com/en/support/bulletin/2021/5/ Vendor Advisory Added CWE NIST CWE-269 Added CPE Configuration OR *cpe:2.3:o:huawei:emui:10.1.1:*:*:*:*:*:*:* *cpe:2.3:o:huawei:emui:11.0.0:*:*:*:*:*:*:* *cpe:2.3:o:huawei:emui:11.0.1:*:*:*:*:*:*:* *cpe:2.3:o:huawei:magic_ui:3.1.1:*:*:*:*:*:*:* *cpe:2.3:o:huawei:magic_ui:4.0.1:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-22326 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-2021-22326
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