CVE-2021-25446
CVE-2021-25446 is a medium-severity vulnerability in Samsung Smartthings Firmware with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (53rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-284
- Affected product: Samsung Smartthings Firmware
- Published:
- Last modified:
Description
Improper access control vulnerability in SmartThings prior to version 1.7.67.25 allows untrusted applications to cause arbitrary webpage loading in webview.
Frequently asked questions
- What is CVE-2021-25446?
- Improper access control vulnerability in SmartThings prior to version 1.7.67.25 allows untrusted applications to cause arbitrary webpage loading in webview.
- How severe is CVE-2021-25446?
- CVE-2021-25446 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2021-25446 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-25446?
- CVE-2021-25446 affects Samsung Smartthings Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-25446?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-25446 published?
- CVE-2021-25446 was published on 2021-08-05 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:samsung:smartthings_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Samsung Smartthings Firmware
- CVE-2021-25447 — Medium (CVSS 5.3): Improper access control vulnerability in SmartThings prior to version 1.7.67.25 allows untrusted applications to cause…
- CVE-2021-25404 — Low (CVSS 3.3): Information Exposure vulnerability in SmartThings prior to version 1.7.64.21 allows attacker to access user information…
All CVEs affecting Samsung Smartthings Firmware →
Other CWE-284 (Improper Access Control) vulnerabilities
- CVE-2026-50746 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi…
- CVE-2026-46978 — Critical (CVSS 10.0): Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon). The…
- CVE-2026-35308 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars).…
- CVE-2026-35307 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that…
- CVE-2026-46695 — Critical (CVSS 10.0): Boxlite is a sandbox service that allows users to create lightweight virtual machines (Boxes) and launch OCI containers…
- CVE-2026-46840 — Critical (CVSS 10.0): Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are…
Browse all CWE-284 (Improper Access Control) vulnerabilities →