CVEs / CVE-2021-25337
CVE-2021-25337: Samsung Mobile Devices Improper Access Control Vulnerability
- Known exploited in the CISA KEV catalog since 8 Nov 2022
- high 7.1 CVSS 3.1 (NVD)
- EPSS 2.8% chance of exploitation in the next 30 days, higher than 86% of CVEs (30 Oct 2026)
- Last changed at its sources
Are you affected? Check your servers with Stackurity: it lists the software on each server and the vulnerabilities to fix first.
Check your servers with Stackurity Already using Stackurity? Search for CVE-2021-25337
Summary
Samsung mobile devices contain an improper access control vulnerability in clipboard service which allows untrusted applications to read or write arbitrary files. This vulnerability was chained with CVE-2021-25369 and CVE-2021-25370.
Description
Improper access control in clipboard service in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows untrusted applications to read or write certain local files.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Samsung Mobile Samsung Mobile Devices | from Selected P(9.0), Q(10.0), R(11.0), before SMR Mar-2021 Release 1 | SMR Mar-2021 Release 1 |
Exploitation
| In CISA KEV since | 8 Nov 2022 |
|---|---|
| Due date for US federal agencies | 29 Nov 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 7.1 highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:NScored by NVD |
|---|---|
| Weakness | CWE-269 |
References
- CVE-2021-25337 on NVD
- CVE-2021-25337 in the CISA KEV catalog
- https://security.samsungmobile.com/securityUpdate.smsb (cited by CISA)
- https://security.samsungmobile.com Vendor Advisory
- https://security.samsungmobile.com/securityUpdate.smsb Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25337 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.