CVE-2021-25337
Samsung Mobile Devices Improper Access Control Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 29 November 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- EPSS
- 2.81% probability · 86th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 8 November 2022 · due 29 November 2022
- Weakness
- CWE-269
- Affected
- samsung/android
- Source
- mobile.security@samsung.com
EPSS 2.8% since 30 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://security.samsungmobile.com/securityUpdate.smsb; https://nvd.nist.gov/vuln/detail/CVE-2021-25337
References
- https://security.samsungmobile.comVendor Advisory
- https://security.samsungmobile.com/securityUpdate.smsbVendor Advisory
- https://security.samsungmobile.comVendor Advisory
- https://security.samsungmobile.com/securityUpdate.smsbVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25337US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.