CVE-2025-47203 Command injection in Dropbear SSH
An attacker can execute arbitrary commands on the local system by providing a malicious hostname to the Dropbear SSH client.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-47203?
CVE-2025-47203 is a medium-severity command injection vulnerability in Dropbear SSH, published on 7 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
dbclient in Dropbear SSH before 2025.88 allows command injection via an untrusted hostname argument, because a shell is used.
Weakness: CWE-78
Which versions are affected by CVE-2025-47203?
How do I fix CVE-2025-47203?
Upgrade to a fixed version.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2025-47203 being exploited?
There is no known exploitation of CVE-2025-47203 in the wild and no public exploit code.
Sources
Also known as ALPINE-CVE-2025-47203, DEBIAN-CVE-2025-47203, DLA-4169-1, GHSA-f2w6-r722-5fr8, MGASA-2025-0158, UBUNTU-CVE-2025-47203.