CVEvulnerability
CVE-2021-25489
CISA Known Exploited Vulnerability
Samsung Mobile Devices Improper Input Validation Vulnerability — Samsung Mobile Devices
Samsung mobile devices contain an improper input validation vulnerability within the modem interface driver that results in a format string bug leading to kernel panic.
- Added to KEV
- 2023-06-29
- Remediation due
- 2023-07-20
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions or discontinue use of the product if updates are unavailable
- Notes
- https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10; https://nvd.nist.gov/vuln/detail/CVE-2021-25489
- Status
- Analyzed
- Published
- 2021-10-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.3 LOW — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-134, CWE-20
Description
Assuming radio permission is gained, missing input validation in modem interface driver prior to SMR Oct-2021 Release 1 results in format string bug leading to kernel panic.
Affected configurations
• samsung android 8.1
• samsung android 9.0
• samsung android 10.0
• samsung android 11.0