CVE-2023-20790

MEDIUM

Yocto - Out-of-bounds Write in NVRAM

Title source: llm
STIX 2.1

Description

In nvram, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07740194; Issue ID: ALPS07740194.

References (1)

Core 1

Scores

CVSS v3 4.4
EPSS 0.0002
EPSS Percentile 4.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (7)
google/android 12.0
google/android 13.0
linuxfoundation/yocto 2.6
linuxfoundation/yocto 3.3
openwrt/openwrt 19.07.0
openwrt/openwrt 21.02.0
rdkcentral/rdk-b 2022q3
Published Aug 07, 2023
Tracked Since Feb 18, 2026