CVE-2021-25460

Name: CVE-2021-25460
Creator: NVD / NIST
Published: 2021-09-09T19:15:10.933+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.09%

Last modified Jun 17, 2026

CVE-2021-25460 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An improper access control vulnerability in sspExit() in BlockchainTZService prior to SMR Sep-2021 Release 1 allows attackers to terminate BlockchainTZService.. EPSS estimates a 0.09% chance of exploitation in the next 30 days.

Description

An improper access control vulnerability in sspExit() in BlockchainTZService prior to SMR Sep-2021 Release 1 allows attackers to terminate BlockchainTZService.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.09%

0.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-285

Affected Software

Vendor	Product	Versions
Google	Android	10.0
Google	Android	11.0

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=9Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=9Vendor Advisory

Timeline

Published: Sep 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-25460?

An improper access control vulnerability in sspExit() in BlockchainTZService prior to SMR Sep-2021 Release 1 allows attackers to terminate BlockchainTZService.

How severe is CVE-2021-25460?

CVE-2021-25460 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.09% probability of exploitation in the next 30 days.

How do I fix CVE-2021-25460?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-25460?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST