scp.c in Dropbear before 2020.79 mishandles the filename of .
Priority MEDIUM 41Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
scp.c in Dropbear before 2020.79 mishandles the filename of . or an empty filename, a related issue to CVE-2018-20685.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01876 79th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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:*:*:*:*:*:*:*:* | before 2020.79 | Vulnerable | Dropbear SSH Project |
- cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:* Versions before 2020.79 Vulnerable ·Dropbear SSH Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2020-36254
- 2026-10-03 Alias added: GHSA-36m7-j2mr-5864
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-2020-36254 · CVE Program
- CVE-2020-36254 · NVD
- FIRST EPSS
- GHSA-36m7-j2mr-5864 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-36254 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences