CVE-2023-21115

EUVD-2023-25283
In btm_sec_encrypt_change of btm_sec.cc, there is a possible way to downgrade the link key type due to improperly used crypto. This could lead to paired device escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12LAndroid ID: A-258834033
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 3%
Affected Products (NVD)
VendorProductVersion
googleandroid
11.0
googleandroid
12.0
googleandroid
12.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://source.android.com/security/bulletin/2023-06-01
https://source.android.com/security/bulletin/2023-06-01