CVE-2021-25490

medium

Description

A keyblob downgrade attack in keymaster prior to SMR Oct-2021 Release 1 allows attacker to trigger IV reuse vulnerability with privileged process.

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10

Details

Source: Mitre, NVD

Published: 2021-10-06

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 6

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Severity: Medium

EPSS

EPSS: 0.00807