CVE-2021-25490

A keyblob downgrade attack in keymaster prior to SMR Oct-2021 Release 1 allows attacker to trigger IV reuse vulnerability with privileged process.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6 MEDIUM
LOCAL
HIGH
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L
Samsung MobileCNA
6 MEDIUM
LOCAL
HIGH
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 6%
VendorProductVersion
googleandroid
9.0
googleandroid
10.0
googleandroid
11.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10