High severity · published Mar 20, 2019
CVE-2017-2659
It was found that dropbear before version 2013.59 with GSSAPI leaks whether given username is valid or invalid
7.5
CVSS
1.5%
EPSS
No
On KEV
Description
It was found that dropbear before version 2013.59 with GSSAPI leaks whether given username is valid or invalid. When an invalid username is given, the GSSAPI authentication failure was incorrectly counted towards the maximum allowed number of password attempts.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DR
dropbear · [UNKNOWN]
fixed in 2013.59 · source: vendor
DS
Dropbear Ssh · Dropbear Ssh Project
before 2013.59 · source: NVD