Matt Johnston Dropbear SSH server 0.47 and earlier, as used in embedded Linux devices and…
Priority LOW 36Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Matt Johnston Dropbear SSH server 0.47 and earlier, as used in embedded Linux devices and on general-purpose operating systems, allows remote attackers to cause a denial of service (connection slot exhaustion) via a large number of connection attempts that exceeds the MAX_UNAUTH_CLIENTS defined value of 30.
Why it matters now
EPSS 0.11671 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:* | up to 0.47 | Vulnerable | Dropbear SSH Project |
- cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:* Versions up to 0.47 Vulnerable ·Dropbear SSH Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2006-1206
- 2026-10-03 Alias added: GHSA-6979-j27r-h7g9
References
—
More Dropbear SSH Project Dropbear Ssh vulnerabilities
- TI-2023-26623 The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6… CVSS 3.1MEDIUM 5.9
- TI-2016-06307 Format string vulnerability in Dropbear SSH before 2016.74 allows remote attackers to… CVSS 3.0CRITICAL 9.8
- TI-2016-06308 The dropbearconvert command in Dropbear SSH before 2016.74 allows attackers to execute… CVSS 3.0CRITICAL 9.8
- TI-2016-02614 CRLF injection vulnerability in Dropbear SSH before 2016.72 allows remote authenticated… CVSS 3.0MEDIUM 6.4
- TI-2017-06540 The server in Dropbear before 2017.75 might allow post-authentication root remote code… CVSS 3.1HIGH 8.8
- TI-2016-06309 The dbclient in Dropbear SSH before 2016.74 allows remote attackers to execute arbitrary… CVSS 3.0HIGH 8.8
Sources
- CVE-2006-1206 · CVE Program
- CVE-2006-1206 · NVD
- FIRST EPSS
- GHSA-6979-j27r-h7g9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences