CVE-2025-47203 json
dbclient in Dropbear SSH before 2025.88 allows command injection via an untrusted hostname argument, because a shell is used.
published 2025-05-07 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-13914
- cvss
- 4.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 48%
- public exploits
- 0
- none known
Summary
dbclient in Dropbear SSH before 2025.88 allows command injection via an untrusted hostname argument, because a shell is used.
Patch / fix
- Dropbear SSH Project Dropbear SSH 2025.88
- dropbear Debian 12 2022.83-1+deb12u3
- dropbear Debian 14, Debian 13 2025.88-1
debian advisories DEBIAN-CVE-2025-47203
- dropbear Alpine 3.24 2025.88-r0
alpine advisories ALPINE-CVE-2025-47203
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- dropbear Arch Linux 2025.88-1
arch linux advisories AVG-2874
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2025-47203 updated cvss 4.5
dropbear: command injection via an untrusted hostname argument
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.5 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N |
Affected products
- Dropbear SSH Project Dropbear SSH
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
- github.com /mkj/dropbear/blob/master/src/cli-main.c
- github.com /mkj/dropbear/blob/master/CHANGES
- openwall.com /lists/oss-security/2025/05/09/4
- openwall.com /lists/oss-security/2025/05/12/6
- openwall.com /lists/oss-security/2025/05/13/1
- openwall.com /lists/oss-security/2025/05/13/3
- openwall.com /lists/oss-security/2025/05/13/10
- lists.debian.org /debian-lts-announce/2025/05/msg00020.html
Sources
- CVE List CVE-2025-47203
- NVD CVE-2025-47203
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.