CVE-2021-25378 Denial of service in SmartThings
Remote attackers can cause temporary denial of service in the SmartThings mobile application due to improper access control on a specific port.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-25378?
CVE-2021-25378 is a medium-severity denial of service vulnerability in Samsung Mobile SmartThings, published on 9 Apr 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper access control of certain port in SmartThings prior to version 1.7.63.6 allows remote temporary denial of service.
Weakness: CWE-20
Which versions are affected by CVE-2021-25378?
It affects 1 product.
Products include Samsung Smartthings.
How do I fix CVE-2021-25378?
No fix has been published for CVE-2021-25378 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-25378 being exploited?
There is no known exploitation of CVE-2021-25378 in the wild and no public exploit code.
Other vulnerabilities in Samsung Mobile SmartThings
- CVE-2025-2233 Samsung SmartThings Improper Verification of Cryptographic Signature Authentication Bypass Vulnerability
- CVE-2022-30746 Missing authorization in Smart Things
- CVE-2024-34596 Auth bypass in SmartThings
- CVE-2024-20852 Missing authorization in SmartThings
- CVE-2022-30747 Missing authorization in Smart Things
Sources
Also known as GHSA-j677-7992-mrpc.