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CVE-2020-36254

Published: Feb 25, 2021Updated: Dec 3, 2025 Sources: CVE List NVD BDUNVD-CWE-noinfo
NVD MITRE
8.1CVSSHIGH
EPSS Score
1.6%
Top 28.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

scp.c in Dropbear before 2020.79 mishandles the filename of . or an empty filename, a related issue to CVE-2018-20685.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

NVD-CWE-noinfo

Affected Products

n/an/a
dropbear sshdropbear ssh project
On-prem
Security Products / secure-gateway-vpn
Dropbear SSHMatt Johnston
On-prem
Communications / email-server-client
dropbear ssh projectoss-projectSecurity Productsaka dropbear ssh
matt johnstonoss-projectCommunicationsaka dropbear ssh

Exploitability

Official Patch Available

References

https://github.com/mkj/dropbear/commit/8f8a3dff705fad774a10864a2e3dbcfa9779ceff
github.com

Timeline

Published
Feb 25, 2021
Last Updated
Dec 3, 2025

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