5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
0.024 Low
EPSS
Percentile
89.9%
The recv_msg_userauth_request function in svr-auth.c in Dropbear through
2018.76 is prone to a user enumeration vulnerability because username
validity affects how fields in SSH_MSG_USERAUTH messages are handled, a
similar issue to CVE-2018-15473 in an unrelated codebase.
lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2018q3/002108.html
lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2018q3/002109.html
launchpad.net/bugs/cve/CVE-2018-15599
nvd.nist.gov/vuln/detail/CVE-2018-15599
old.reddit.com/r/blackhat/comments/97ywnm/openssh_username_enumeration/e4e05n2/
security-tracker.debian.org/tracker/CVE-2018-15599
www.cve.org/CVERecord?id=CVE-2018-15599
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
0.024 Low
EPSS
Percentile
89.9%