ubuntu-cve-2025-47203
Vulnerability from osv_ubuntu
Published
2025-05-07 18:15
Modified
2026-01-20 05:33
Summary
Details
dbclient in Dropbear SSH before 2025.88 allows command injection via an untrusted hostname argument, because a shell is used.
Severity
4.5 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dropbear",
"binary_version": "2016.72-1"
},
{
"binary_name": "dropbear-bin",
"binary_version": "2016.72-1"
},
{
"binary_name": "dropbear-initramfs",
"binary_version": "2016.72-1"
},
{
"binary_name": "dropbear-run",
"binary_version": "2016.72-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "dropbear",
"purl": "pkg:deb/ubuntu/dropbear@2016.72-1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2014.65-1ubuntu2",
"2015.68-1",
"2015.70-1",
"2015.71-1",
"2016.72-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dropbear",
"binary_version": "2017.75-3ubuntu0.1~esm1"
},
{
"binary_name": "dropbear-bin",
"binary_version": "2017.75-3ubuntu0.1~esm1"
},
{
"binary_name": "dropbear-initramfs",
"binary_version": "2017.75-3ubuntu0.1~esm1"
},
{
"binary_name": "dropbear-run",
"binary_version": "2017.75-3ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "dropbear",
"purl": "pkg:deb/ubuntu/dropbear@2017.75-3ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2017.75-2",
"2017.75-3build1",
"2017.75-3ubuntu0.1~esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dropbear",
"binary_version": "2019.78-2ubuntu0.1~esm1"
},
{
"binary_name": "dropbear-bin",
"binary_version": "2019.78-2ubuntu0.1~esm1"
},
{
"binary_name": "dropbear-initramfs",
"binary_version": "2019.78-2ubuntu0.1~esm1"
},
{
"binary_name": "dropbear-run",
"binary_version": "2019.78-2ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "dropbear",
"purl": "pkg:deb/ubuntu/dropbear@2019.78-2ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2019.78-2build1",
"2019.78-2ubuntu0.1~esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dropbear",
"binary_version": "2020.81-5ubuntu0.1"
},
{
"binary_name": "dropbear-bin",
"binary_version": "2020.81-5ubuntu0.1"
},
{
"binary_name": "dropbear-initramfs",
"binary_version": "2020.81-5ubuntu0.1"
},
{
"binary_name": "dropbear-run",
"binary_version": "2020.81-5ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "dropbear",
"purl": "pkg:deb/ubuntu/dropbear@2020.81-5ubuntu0.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2020.81-3",
"2020.81-4",
"2020.81-5",
"2020.81-5ubuntu0.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dropbear",
"binary_version": "2022.83-4"
},
{
"binary_name": "dropbear-bin",
"binary_version": "2022.83-4"
},
{
"binary_name": "dropbear-initramfs",
"binary_version": "2022.83-4"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "dropbear",
"purl": "pkg:deb/ubuntu/dropbear@2022.83-4?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2022.83-2",
"2022.83-3",
"2022.83-4"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dropbear",
"binary_version": "2025.88-2"
},
{
"binary_name": "dropbear-bin",
"binary_version": "2025.88-2"
},
{
"binary_name": "dropbear-initramfs",
"binary_version": "2025.88-2"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "dropbear",
"purl": "pkg:deb/ubuntu/dropbear@2025.88-2?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2024.86-2",
"2025.88-2"
]
}
],
"aliases": [],
"details": "dbclient in Dropbear SSH before 2025.88 allows command injection via an untrusted hostname argument, because a shell is used.",
"id": "UBUNTU-CVE-2025-47203",
"modified": "2026-01-20T05:33:07Z",
"published": "2025-05-07T18:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2025-47203"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-47203"
},
{
"type": "REPORT",
"url": "https://github.com/mkj/dropbear/blob/master/CHANGES"
},
{
"type": "REPORT",
"url": "https://github.com/mkj/dropbear/blob/master/src/cli-main.c"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2025-47203"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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