What is CVE-2021-25337?

CVE-2021-25337 is a medium-severity vulnerability in Samsung Mobile Devices, 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.

Privilege escalation in Samsung Mobile Devices

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

EPSS: 0.008 (74.5th percentile) — read the EPSS interpretation.

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.

Affected products

Samsung Mobile Devices — versions Selected P(9.0), Q(10.0), R(11.0)

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-11-08. 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: 2022-11-29.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

security.samsungmobile.com/securityUpdate.smsb (x_refsource_CONFIRM)
security.samsungmobile.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-25337?: CVE-2021-25337 is a medium-severity vulnerability in Samsung Mobile Devices, 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.