What is CVE-2021-25404?

CVE-2021-25404 is a low-severity vulnerability in Samsung Smartthings, classified under CWE-922. CVSS score: 3.3/10. Published 2021-06-11.

How severe is CVE-2021-25404?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in Samsung Smartthings

CVE-2021-25404

Information Exposure vulnerability in SmartThings prior to version 1.7.64.21 allows attacker to access user information via log.

Published 2021-06-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (14.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Samsung Smartthings
Samsung Smartthings Firmware
Samsung Mobile Smartthings — versions unspecified

Weakness classification (CWE)

CWE-922

References

security.samsungmobile.com/serviceWeb.smsb (Vendor Advisory)

Frequently asked questions

What is CVE-2021-25404?: CVE-2021-25404 is a low-severity vulnerability in Samsung Smartthings, classified under CWE-922. CVSS score: 3.3/10. Published 2021-06-11.
How severe is CVE-2021-25404?: Low severity. CVSS v3 base score is 3.3 out of 10.