What is CVE-2025-47203?

CVE-2025-47203 is a medium-severity vulnerability in Dropbear SSH Project, classified under OS Command Injection. CVSS score: 4.5/10. Published 2025-05-07.

How severe is CVE-2025-47203?

Medium severity. CVSS v3 base score is 4.5 out of 10.

Is CVE-2025-47203 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Dropbear SSH Project

CVE-2025-47203

dbclient in Dropbear SSH before 2025.88 allows command injection via an untrusted hostname argument, because a shell is used.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.006 (44.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.5 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Dropbear Ssh Project — versions 0

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

w4zu/Debian_

References

Frequently asked questions

What is CVE-2025-47203?: CVE-2025-47203 is a medium-severity vulnerability in Dropbear SSH Project, classified under OS Command Injection. CVSS score: 4.5/10. Published 2025-05-07.
How severe is CVE-2025-47203?: Medium severity. CVSS v3 base score is 4.5 out of 10.
Is CVE-2025-47203 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.