CVEs / CVE-2021-25489
CVE-2021-25489: Samsung Mobile Devices Improper Input Validation Vulnerability
- Known exploited in the CISA KEV catalog since 29 Jun 2023
- medium 5.5 CVSS 3.1 (NVD)
- EPSS 0.53% chance of exploitation in the next 30 days, higher than 44% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
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.
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 and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Samsung Mobile Samsung Mobile Devices | from O(8.1), P(9.0), Q(10.0), R(11.0), before SMR Oct-2021 Release 1 | SMR Oct-2021 Release 1 |
Exploitation
| In CISA KEV since | 29 Jun 2023 |
|---|---|
| Due date for US federal agencies | 20 Jul 2023 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions or discontinue use of the product if updates are unavailable |
Severity
| CVSS 3.1 | 5.5 mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HScored by NVD |
|---|---|
| Weakness | CWE-20, CWE-134 |
References
- CVE-2021-25489 on NVD
- CVE-2021-25489 in the CISA KEV catalog
- https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10 (cited by CISA)
- https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25489 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.