Exynos Firmware Security Vulnerabilities

CVE-2022-39881

Improper input validation vulnerability for processing SIB12 PDU in Exynos modems prior to SMR Sep-2022 Release allows remote attacker to read out of bounds memory.

CVE-2022-39901

Improper authentication in Exynos baseband prior to SMR DEC-2022 Release 1 allows remote attacker to disable the network traffic encryption between UE and gNodeB.

CVE-2022-39902

Improper authorization in Exynos baseband prior to SMR DEC-2022 Release 1 allows remote attacker to get sensitive information including IMEI via emergency call.

CVE-2023-21455

Improper authorization implementation in Exynos baseband prior to SMR Mar-2023 Release 1 allows incorrect handling of unencrypted message.