CVE-2021-25508

Name: CVE-2021-25508
Creator: NVD / NIST
Published: 2021-11-05T03:15:11.893+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.80%

Last modified Jun 17, 2026

CVE-2021-25508 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Improper privilege management vulnerability in API Key used in SmartThings prior to 1.7.73.22 allows an attacker to abuse the API key without limitation.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

Improper privilege management vulnerability in API Key used in SmartThings prior to 1.7.73.22 allows an attacker to abuse the API key without limitation.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.80%

51.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Samsung	Smartthings	< 1.7.73.22

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-2021-25508?

Improper privilege management vulnerability in API Key used in SmartThings prior to 1.7.73.22 allows an attacker to abuse the API key without limitation.

How severe is CVE-2021-25508?

CVE-2021-25508 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2021-25508?

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-2021-25508?

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

Scan your code now

Source: NVD / NIST