Vulnerability

CVE-2023-20821

In nvram, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07937113; Issue ID: ALPS07937113.

Impact

Severity (Manufact.)

MEDIUM

Severity (NIST)

6.7

Severity (Android)

N/A

Chipsets

63

Devices

451

Affected Hardware

NameAlso known asManufacturer
MT8781V/CA
Helio G99
MediaTek
MT8781V/NA
Helio G99
MediaTek
MT6833
Dimensity 6020
Dimensity 700
MediaTek
MT6833V/ZA
Dimensity 6020
Dimensity 700
MediaTek
MT6833V/NZA
Dimensity 700
MediaTek
MT6853V/ZA
Dimensity 720
MediaTek
MT6853V/NZA
Dimensity 720
MediaTek
MT6853V/TNZA
Dimensity 800U
MediaTek
MT6853T
Dimensity 800U
MediaTek
MT6873
Dimensity 800
MediaTek
63 of 63 row(s) shown.

Rows per page

Page 1 of 7

Timeline

Introduced (est):
Jan 1, 2020
Reported:
Unknown
Advisory Published:
Sep 4, 2023
CVE Published:
Sep 4, 2023
Android Patch Level:
None
For more information and a detailed analysis of the data presented on this website, please see our paper, to be presented at NDSS'25.
Follow us on Twitter