synced 5 MIN AGO
01 Record

CVE-2024-20021

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

MediumPUBLISHEDCNA: MediaTek
CNA base score6.7 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

02 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

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.11% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 1.5% of scored records. A rank, not a probability.
NVD base score
6.7 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Analyzed. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2024-05-06 02:52Z2 YR AGO
Last updated
2024-08-01 21:52Z2 YR AGO
Reserved
2023-11-02
Assigning CNA
MediaTek
Record state
PUBLISHED
Severity
Medium (CVSS 6.7)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-269Improper Privilege ManagementClass
Data version
5.1
Document digest
0a6af1deb4ae0bd450b95c0095799c941ca5706c55bb98fdf1baca4e79c0f553

05 Affected products

VendorProductVersionsPlatforms
mediatekmt6853Android 12.0 to Android 14.0—
mediatekmt6873Android 12.0 to Android 14.0—
mediatekmt6885Android 12.0 to Android 14.0—
mediatekmt6893Android 12.0 to Android 14.0—
mediatekmt8168Android 12.0 to Android 14.0—
mediatekmt8183Android 12.0 to Android 14.0—
mediatekmt8188Android 12.0 to Android 14.0—
mediatekmt8188tAndroid 12.0 to Android 14.0—
mediatekmt8195Android 12.0 to Android 14.0—
mediatekmt8195zAndroid 12.0 to Android 14.0—
mediatekmt8362aAndroid 12.0 to Android 14.0—
mediatekmt8365Android 12.0 to Android 14.0—
mediatekmt8666Android 12.0 to Android 14.0—
mediatekmt8667Android 12.0 to Android 14.0—
mediatekmt8675Android 12.0 to Android 14.0—
mediatekmt8765Android 12.0 to Android 14.0—
mediatekmt8766Android 12.0 to Android 14.0—
mediatekmt8766zAndroid 12.0 to Android 14.0—
mediatekmt8768aAndroid 12.0 to Android 14.0—
mediatekmt8768bAndroid 12.0 to Android 14.0—
mediatekmt8768zAndroid 12.0 to Android 14.0—
mediatekmt8781Android 12.0 to Android 14.0—
mediatekmt8788Android 12.0 to Android 14.0—
mediatekmt8788tAndroid 12.0 to Android 14.0—
mediatekmt8788zAndroid 12.0 to Android 14.0—
mediatekmt8792Android 12.0 to Android 14.0—
mediatekmt8795tAndroid 12.0 to Android 14.0—
mediatekmt8798Android 12.0 to Android 14.0—
mediatekmt6768Android 12.0 to Android 14.0—
mediatekmt6781Android 12.0 to Android 14.0—
mediatekmt6785Android 12.0 to Android 14.0—
mediatekmt6833Android 12.0 to Android 14.0—
mediatekmt6877Android 12.0 to Android 14.0—
mediatekmt8321Android 12.0 to Android 14.0—
mediatekmt8666aAndroid 12.0 to Android 14.0—
mediatekmt8673Android 12.0 to Android 14.0—
mediatekmt8768Android 12.0 to Android 14.0—
mediatekmt8768tAndroid 12.0 to Android 14.0—
mediatekmt8786Android 12.0 to Android 14.0—
mediatekmt8788xAndroid 12.0 to Android 14.0—
mediatekmt8796Android 12.0 to Android 14.0—

06 References