CVE catalog
CVE-2018-7750
paramiko: CVE-2018-7750
- Severity
- Critical · CVSS 10
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 27.11% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | paramiko | sid | 5.0.0-1 | fixed |
| Debian | paramiko | forky | 5.0.0-1 | fixed |
| Debian | paramiko | trixie | 3.5.1-3 | fixed |
| Debian | paramiko | bookworm | 2.12.0-2 | fixed |
| Ubuntu | paramiko | 14.04 | 1.10.1-1 | vulnerable |
| Ubuntu | paramiko | 14.04 | 1.10.1-1git1 | vulnerable |
| Ubuntu | paramiko | 14.04 | 1.10.1-1git1build1 | vulnerable |
| Ubuntu | paramiko | 14.04 | 1.10.1-1git1ubuntu0.1 | fixed |
| Ubuntu | paramiko | 16.04 | 1.15.2-1 | vulnerable |
| Ubuntu | paramiko | 16.04 | 1.15.3-1 | vulnerable |
| Ubuntu | paramiko | 16.04 | 1.15.3-1ubuntu1 | vulnerable |
| Ubuntu | paramiko | 16.04 | 1.16.0-1 | vulnerable |
| Ubuntu | paramiko | 16.04 | 1.16.0-1ubuntu0.1 | fixed |
| Ubuntu | paramiko | 14.04 | 1.10.1-1 | vulnerable |
| Ubuntu | paramiko | 14.04 | 1.10.1-1git1 | vulnerable |
| Ubuntu | paramiko | 14.04 | 1.10.1-1git1build1 | vulnerable |
| Ubuntu | paramiko | 14.04 | 1.10.1-1git1ubuntu0.1 | fixed |
| Ubuntu | paramiko | 16.04 | 1.15.2-1 | vulnerable |
| Ubuntu | paramiko | 16.04 | 1.15.3-1 | vulnerable |
| Ubuntu | paramiko | 16.04 | 1.15.3-1ubuntu1 | vulnerable |
| Ubuntu | paramiko | 16.04 | 1.16.0-1 | vulnerable |
| Ubuntu | paramiko | 16.04 | 1.16.0-1ubuntu0.1 | fixed |
| Suse | python-paramiko | linux enterprise module for public cloud 12 | 1.15.2-2.9.1 | fixed |
| Suse | python-paramiko | openstack cloud 6 | 1.15.2-2.6.1 | fixed |
| Suse | python-paramiko | enterprise storage 3 | 1.15.2-2.6.1 | fixed |
| Suse | python-paramiko | openstack cloud 7 | 2.0.8-3.3.1 | fixed |
| Suse | python-paramiko | enterprise storage 4 | 2.0.8-3.3.1 | fixed |
| Suse | python-paramiko | linux enterprise module for public cloud 12 | 1.18.5-2.12.1 | fixed |
| Suse | python-paramiko | enterprise storage 5 | 2.0.8-3.3.1 | fixed |
| Alpine | py3-paramiko | 3.11 | 2.4.1-r0 | fixed |
| Alpine | py3-paramiko | 3.12 | 2.4.1-r0 | fixed |
| Alpine | py3-paramiko | 3.13 | 2.4.1-r0 | fixed |
| Alpine | py3-paramiko | 3.14 | 2.4.1-r0 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | paramiko | source | sid | 2.4.2-0.1 | not yet assigned | Not reported | [892859] |
| Debian | paramiko | source | forky | 2.4.2-0.1 | not yet assigned | Not reported | [892859] |
| Debian | paramiko | source | trixie | 2.4.2-0.1 | not yet assigned | Not reported | [892859] |
| Debian | paramiko | source | bookworm | 2.4.2-0.1 | not yet assigned | Not reported | [892859] |
| Ubuntu | paramiko | deb | 14.04 | 1.10.1-1git1ubuntu0.1 | Not reported | USN-3603-1 | Not reported |
| Ubuntu | paramiko | deb | 16.04 | 1.16.0-1ubuntu0.1 | Not reported | USN-3603-1 | Not reported |
| Ubuntu | paramiko | deb | 14.04 | 1.10.1-1git1ubuntu0.1 | Not reported | UBUNTU-CVE-2018-7750 | Not reported |
| Ubuntu | paramiko | deb | 16.04 | 1.16.0-1ubuntu0.1 | Not reported | UBUNTU-CVE-2018-7750 | Not reported |
| Suse | python-paramiko | rpm | linux enterprise module for public cloud 12 | 1.15.2-2.9.1 | Not reported | SUSE-SU-2018:1971-1 | Not reported |
| Suse | python-paramiko | rpm | openstack cloud 6 | 1.15.2-2.6.1 | Not reported | SUSE-SU-2018:0873-1 | Not reported |
| Suse | python-paramiko | rpm | enterprise storage 3 | 1.15.2-2.6.1 | Not reported | SUSE-SU-2018:0873-1 | Not reported |
| Suse | python-paramiko | rpm | openstack cloud 7 | 2.0.8-3.3.1 | Not reported | SUSE-SU-2018:0844-1 | Not reported |
| Suse | python-paramiko | rpm | enterprise storage 4 | 2.0.8-3.3.1 | Not reported | SUSE-SU-2018:0844-1 | Not reported |
| Suse | python-paramiko | rpm | linux enterprise module for public cloud 12 | 1.18.5-2.12.1 | Not reported | SUSE-SU-2018:2777-1 | Not reported |
| Suse | python-paramiko | rpm | enterprise storage 5 | 2.0.8-3.3.1 | Not reported | SUSE-SU-2018:1850-1 | Not reported |
| Alpine | py3-paramiko | apk | 3.11 | 2.4.1-r0 | Not reported | ALPINE-CVE-2018-7750 | Not reported |
| Alpine | py3-paramiko | apk | 3.12 | 2.4.1-r0 | Not reported | ALPINE-CVE-2018-7750 | Not reported |
| Alpine | py3-paramiko | apk | 3.13 | 2.4.1-r0 | Not reported | ALPINE-CVE-2018-7750 | Not reported |
| Alpine | py3-paramiko | apk | 3.14 | 2.4.1-r0 | Not reported | ALPINE-CVE-2018-7750 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [paramiko-doc]Unknown
Source package: [paramiko]
Details (2)
2.12.0-2· all · bookwormFixed · Fixed:
2.4.2-0.1dsa · paramiko · debian · bookworm; dsa · paramiko · debian · 12
2.12.0-2· all · bookwormFixed · Fixed:
2.4.2-0.1dsa · paramiko · debian · bookworm; dsa · paramiko · debian · 12
- [python3-paramiko]Unknown
Source package: [paramiko]
Details (2)
2.12.0-2· all · bookwormFixed · Fixed:
2.4.2-0.1dsa · paramiko · debian · bookworm; dsa · paramiko · debian · 12
2.12.0-2· all · bookwormFixed · Fixed:
2.4.2-0.1dsa · paramiko · debian · bookworm; dsa · paramiko · debian · 12
[Debian 13 (Trixie)]
- [paramiko-doc]Unknown
Source package: [paramiko]
Details (2)
3.5.1-3· all · trixieFixed · Fixed:
2.4.2-0.1dsa · paramiko · debian · 13
3.5.1-3· all · trixieFixed · Fixed:
2.4.2-0.1dsa · paramiko · debian · 13
- [python3-paramiko]Unknown
Source package: [paramiko]
Details (2)
3.5.1-3· all · trixieFixed · Fixed:
2.4.2-0.1dsa · paramiko · debian · 13
3.5.1-3· all · trixieFixed · Fixed:
2.4.2-0.1dsa · paramiko · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2018_0844-1.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2018-7750]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2018-7750]
- [https://osv.dev/vulnerability/SUSE-SU-2018:0844-1]
- [https://osv.dev/vulnerability/SUSE-SU-2018:0873-1]
- [https://osv.dev/vulnerability/SUSE-SU-2018:1850-1]
- [https://osv.dev/vulnerability/SUSE-SU-2018:1971-1]
- [https://osv.dev/vulnerability/SUSE-SU-2018:2777-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2018-7750]
- [https://osv.dev/vulnerability/USN-3603-1]
- [https://security-tracker.debian.org/tracker/CVE-2018-7750]
- [https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-7750.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]