CVE-2016-7406 - Vulnerability Details - OpenCVE

Description

Format string vulnerability in Dropbear SSH before 2016.74 allows remote attackers to execute arbitrary code via format string specifiers in the (1) username or (2) host argument.

Published: 2017-03-03

Score: 9.8 Critical

EPSS: 25.3% Moderate

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
Debian DLA	DLA-634-1	dropbear security update

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.25332.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://seclists.org/fulldisclosure/2024/Aug/35
http://www.openwall.com/lists/oss-security/2016/09/15/2
http://www.securityfocus.com/bid/92974
https://bugzilla.redhat.com/show_bug.cgi?id=1376353
https://secure.ucc.asn.au/hg/dropbear/rev/b66a483f3dcb
https://security.gentoo.org/glsa/201702-23

History

Tue, 04 Nov 2025 16:30:00 +0000

Type	Values Removed	Values Added
References		http://seclists.org/fulldisclosure/2024/Aug/35

Subscriptions

Dropbear Ssh Project Dropbear Ssh

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2017-03-03T16:00:00.000Z

Updated: 2025-11-04T16:09:09.268Z

Reserved: 2016-09-09T00:00:00.000Z

Link: CVE-2016-7406

Vulnrichment

No data.

NVD

Status : Modified

Published: 2017-03-03T16:59:00.387

Modified: 2026-05-13T00:24:29.033

Link: CVE-2016-7406

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-20

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