CVE-2021-25388: Improper caller check vulnerability in Knox Core prior to SMR MAY-2021 Release 1 allows attackers to install arbitrary app

High severity · published Jun 11, 2021

CVE-2021-25388

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

7.1

CVSS

0.1%

EPSS

On KEV

Description

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

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack vector

Local

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

High

Integrity

High

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.1% · higher than 0% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Android · Google

11.0 · source: NVD

Samsung Mobile Devices · Samsung Mobile

R(11.0) before SMR MAY-2021 Release 1 · source: vendor

Affected product

Android

Google

All Android CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2021-25388

CVE.org

https://www.cve.org/CVERecord?id=CVE-2021-25388

Third Party Advisory

https://blog.oversecured.com/Two-weeks-of-securing-Samsung-devices-Part-1/

Vendor Advisory

https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=5