Dropbear SSH up to 2025.87 Shell Hostname os command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Dropbear SSH up to 2025.87. This impacts an unknown function of the component Shell Handler. The manipulation of the argument Hostname leads to os command injection. This vulnerability is listed as CVE-2025-47203. The attack must be carried out locally. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Dropbear SSH up to 2025.87. It has been rated as critical. This issue affects some unknown processing of the component Shell Handler. The manipulation of the argument hostname with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-47203 since 05/02/2025. The exploitation is known to be difficult. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 236887 (Debian dla-4169 : dropbear - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2025.88 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (236887) and EUVD (EUVD-2025-13914). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.5
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.5
CNA Vector (MITRE): 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236887
Nessus Name: Debian dla-4169 : dropbear - security update

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: SSH 2025.88

Timelineinfo

05/02/2025 🔍
05/07/2025 +5 days 🔍
05/07/2025 +0 days 🔍
05/18/2025 +11 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2025-47203 (🔍)
GCVE (CVE): GCVE-0-2025-47203
GCVE (VulDB): GCVE-100-307943
EUVD: 🔍

Entryinfo

Created: 05/07/2025 20:25
Updated: 05/18/2025 18:11
Changes: 05/07/2025 20:25 (65), 05/08/2025 16:06 (1), 05/13/2025 12:59 (1), 05/18/2025 12:05 (2), 05/18/2025 18:11 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

 Anonymous User (+0)
1 Year ago
Good morning, I couldn’t find this CPE in the NVD NIST CPE Dictionary. Instead, I see `dropbear_ssh_project:dropbear_ssh`. Could you kindly verify this? Thanks a lot.
 VulDB Community Team1 Year ago
Thank you, we have just aligned the CPE.

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