# CVE-2021-25388

## Summary

- **CVE ID:** CVE-2021-25388
- **Severity:** HIGH
- **CVSS Score:** 7.1 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H)
- **CWE:** CWE-926
- **Published:** Jun 11, 2021
- **Last Modified:** Mar 13, 2026

## Description

Improper caller check vulnerability in Knox Core prior to SMR MAY-2021 Release 1 allows attackers to install arbitrary app.

## Affected Products

- Samsung Mobile — Samsung Mobile Devices  (R(11.0))
- Samsung Mobile — Samsung Mobile Devices (R(11.0))

## References

- [CNA](https://blog.oversecured.com/Two-weeks-of-securing-Samsung-devices-Part-1/)
- [CNA](https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=5)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.09%
- **EPSS Percentile:** 0.4

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._