CVE-2021-25505

Name: CVE-2021-25505
Creator: NVD / NIST
Published: 2021-11-05T03:15:11.257+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.57%

Last modified Jun 17, 2026

CVE-2021-25505 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Improper authentication in Samsung Pass prior to 3.0.02.4 allows to use app without authentication when lockscreen is unlocked.. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

Description

Improper authentication in Samsung Pass prior to 3.0.02.4 allows to use app without authentication when lockscreen is unlocked.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.57%

42.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Samsung	Samsung Pass	< 3.0.02.4

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=11Vendor Advisory
https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=11Vendor Advisory

Timeline

Published: Nov 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-25505?

Improper authentication in Samsung Pass prior to 3.0.02.4 allows to use app without authentication when lockscreen is unlocked.

How severe is CVE-2021-25505?

CVE-2021-25505 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.

How do I fix CVE-2021-25505?

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-2021-25505?

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

Scan your code now

Source: NVD / NIST