9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.066 Low
EPSS
Percentile
93.7%
transport.py in the SSH server implementation of Paramiko before 1.17.6, 1.18.x before 1.18.5, 2.0.x before 2.0.8, 2.1.x before 2.1.5, 2.2.x before 2.2.3, 2.3.x before 2.3.2, and 2.4.x before 2.4.1 does not properly check whether authentication is completed before processing other requests, as demonstrated by channel-open. A customized SSH client can simply skip the authentication step.
access.redhat.com/errata/RHSA-2018:0591
access.redhat.com/errata/RHSA-2018:0646
access.redhat.com/errata/RHSA-2018:1124
access.redhat.com/errata/RHSA-2018:1125
access.redhat.com/errata/RHSA-2018:1213
access.redhat.com/errata/RHSA-2018:1274
access.redhat.com/errata/RHSA-2018:1328
access.redhat.com/errata/RHSA-2018:1525
access.redhat.com/errata/RHSA-2018:1972
github.com/advisories/GHSA-232r-66cg-79px
github.com/paramiko/paramiko/blob/e861c7697622774071ce73b46ffe8817eacdedfa/sites/www/changelog.rst?plain=1#L759-L763
github.com/paramiko/paramiko/commit/e9dfd854bdaf8af15d7834f7502a0451d217bb8c
github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516
github.com/paramiko/paramiko/issues/1175
lists.debian.org/debian-lts-announce/2018/10/msg00018.html
lists.debian.org/debian-lts-announce/2021/12/msg00025.html
nvd.nist.gov/vuln/detail/CVE-2018-7750
usn.ubuntu.com/3603-1/
usn.ubuntu.com/3603-2/
web.archive.org/web/20190831123128/www.securityfocus.com/bid/103713
www.exploit-db.com/exploits/45712/
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.066 Low
EPSS
Percentile
93.7%