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CVE-2018-7750

CRITICAL
9.8
CVSS Score
Published: March 13, 2018 at 06:00 PM UTC
Updated: June 17, 2026 at 02:03 AM UTC
11 products affected across 3 vendorsDebian LinuxEnterprise Linux DesktopEnterprise Linux Server

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Severity
CRITICAL9.8
Exploit prediction
EPSS 27%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux· Debiandrupal
95%
8.09.0
Paramiko· Paramiko
95%
v < 1.17.61.18.0 ≤ v < 1.18.52.0.0 ≤ v < 2.0.82.1.0 ≤ v < 2.1.52.2.0 ≤ v < 2.2.32.3.0 ≤ v < 2.3.22.4.0
Affected range stops below 1.17.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.18.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.0.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.1.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.2.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.3.2, so it looks safe — our inference, not a vendor statement
Ansible Engine· Red Hat
95%
2.02.4
CloudForms· Red Hat
95%
4.54.6
Enterprise Linux Desktop· Red Hatrubygems
95%
6.0
Enterprise Linux Server· Red Hatrubygems
95%
6.07.0
Enterprise Linux Server Aus· Red Hatrubygems
95%
6.46.56.6
Enterprise Linux Server Eus· Red Hatrubygems
95%
6.7
Enterprise Linux Server Tus· Red Hatrubygems
95%
6.6
Enterprise Linux Workstation· Red Hatrubygems
95%
6.0

References (18)

VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/103713
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2018:0591
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2018:0646
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2018:1124
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2018:1125
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2018:1213
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2018:1274
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2018:1328

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287

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