CVE-2023-21489 | BDVDB-2026-201489 Detail

SamsungSamsung Mobile Devices

Description#

Heap out-of-bounds write vulnerability in bootloader prior to SMR May-2023 Release 1 allows a physical attacker to execute arbitrary code.

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: physical.

No public exploit known

7.1 High

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 18.9.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Memory Corruption

No specific action is recorded in the source data. Check the references for vendor guidance.

Vulnerable
>= Selected Android 11, 12, 13 Qualcomm devices and < SMR May-2023 Release 1
Fixed
SMR May-2023 Release 1

Not available

7.1 High

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).