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Fencer Vulns
high 7.1

CVE-2021-25356 json

An improper caller check vulnerability in Managed Provisioning prior to SMR APR-2021 Release 1 allows unprivileged application to install a…

published 2021-04-09 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-12252

cvss
7.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits
0
none known

Summary

An improper caller check vulnerability in Managed Provisioning prior to SMR APR-2021 Release 1 allows unprivileged application to install arbitrary application, grant device admin permission and then delete several installed application.

Patch / fix

  • Samsung Mobile Samsung Mobile Devices SMR APR-2021 Release 1

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • blog.oversecured.com https://blog.oversecured.com/Two-weeks-of-securing-Samsung-devices-Part-1/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
NVD 3.1 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • Samsung Mobile Samsung Mobile Devices

Classification

Weakness
  • CWE-20 Improper Input Validation
  • CWE-863 Incorrect Authorization

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.