Juiker app hard-coded its AES key in the source code. A physical attacker, after getting the Android root privilege, can use the AES key to decrypt users’ ciphertext and tamper with it.
https://www.twcert.org.tw/tw/cp-132-6630-d4d2f-1.html
Source: Mitre, NVD
Published: 2022-10-24
Updated: 2026-06-17
Base Score: 6.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS: 0.00027