CVE-2024-20021
ATF SPM Physical Memory Remapping Privilege Escalation Vulnerability
Description
In atf spm, there is a possible way to remap physical memory to virtual memory due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS08584568; Issue ID: MSV-1249.
INFO
Published Date :
May 6, 2024, 3:15 a.m.
Last Modified :
April 30, 2025, 4:42 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
0.8
Public PoC/Exploit Available at Github
CVE-2024-20021 has a 1 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-2024-20021
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-2024-20021.
| URL | Resource |
|---|---|
| https://corp.mediatek.com/product-security-bulletin/May-2024 | Vendor Advisory |
| https://corp.mediatek.com/product-security-bulletin/May-2024 | 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).
PoC associated to the talk "Attacking Samsung Galaxy A* Boot Chain" (https://www.blackhat.com/us-24/briefings/schedule/#attacking-samsung-galaxy-a-boot-chain-and-beyond-38526)
Python C
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-20021 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-20021 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.
-
Initial Analysis by [email protected]
Apr. 30, 2025
Action Type Old Value New Value Added CWE NVD-CWE-noinfo Added CPE Configuration AND OR *cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:* OR cpe:2.3:h:mediatek:mt6785:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6768:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6833:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6873:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8168:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8321:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8362a:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8365:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8385:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8765:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8766:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8768:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8786:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8788:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8183:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8188t:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8195:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8195z:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8666:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8666a:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8667:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8673:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8675:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8766z:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8768a:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8768b:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8768t:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8768z:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8788t:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8788x:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8788z:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8795t:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8798:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8666b:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8796:-:*:*:*:*:*:*:* Added Reference Type CVE: https://corp.mediatek.com/product-security-bulletin/May-2024 Types: Vendor Advisory Added Reference Type MediaTek, Inc.: https://corp.mediatek.com/product-security-bulletin/May-2024 Types: Vendor Advisory -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://corp.mediatek.com/product-security-bulletin/May-2024 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 03, 2024
Action Type Old Value New Value Added CVSS V3.1 CISA-ADP AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Received by [email protected]
May. 06, 2024
Action Type Old Value New Value Added Description In atf spm, there is a possible way to remap physical memory to virtual memory due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS08584568; Issue ID: MSV-1249. Added Reference MediaTek, Inc. https://corp.mediatek.com/product-security-bulletin/May-2024 [No types assigned] Added CWE MediaTek, Inc. CWE-269
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-20021 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-2024-20021
weaknesses.