CVE-2021-25378
CVE-2021-25378 is a medium-severity vulnerability in Samsung Smartthings with a CVSS 3.x base score of 4.3. 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-20.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (57th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Samsung Smartthings
- Published:
- Last modified:
Description
Improper access control of certain port in SmartThings prior to version 1.7.63.6 allows remote temporary denial of service.
Frequently asked questions
- What is CVE-2021-25378?
- Improper access control of certain port in SmartThings prior to version 1.7.63.6 allows remote temporary denial of service.
- How severe is CVE-2021-25378?
- CVE-2021-25378 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2021-25378 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-25378?
- CVE-2021-25378 affects Samsung Smartthings. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-25378?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-25378 published?
- CVE-2021-25378 was published on 2021-04-09 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:samsung:smartthings:*:*:*:*:*:*:*:*
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