Privilege escalation in Samsung Android
CVE-2021-25337
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.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.028 (86.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000
Affected products
- Samsung Android — versions 9.0, 10.0, 11.0
- Samsung Mobile Devices — versions Selected P(9.0), Q(10.0), R(11.0)
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- security.samsungmobile.com/securityUpdate.smsb (Vendor Advisory)
- security.samsungmobile.com (Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2021-25337?
- CVE-2021-25337 is a medium-severity vulnerability in Samsung Android, classified under Improper Privilege Management. CVSS score: 4.4/10. Published 2021-03-04.
- How severe is CVE-2021-25337?
- Medium severity. CVSS v3 base score is 4.4 out of 10.
- Is CVE-2021-25337 known to be exploited?
- Yes. CVE-2021-25337 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-11-08), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.