CVE-2018-7750
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,…
- 9.8CriticalCVSS base score
- 27.1%Exploitation in 30 daysEPSS · top 1.9% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit.
Show the exploits2
Exploit-DB1 entry
- Paramiko 2.4.1 - Authentication Bypass (Exploit-DB entry) (opens in a new tab)
EDB-ID 45712remote, linuxpublished 29 Oct 2018Not verified
References tagged exploit1 reference
- 45712 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 6 days later
· 6 days later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 27.1% · top 1.9% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPIparamikoGHSA-232r-66cg-79px (opens in a new tab)
References
18
- RHSA-2018:1124 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 45712 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://github.com/paramiko/paramiko/issues/1175 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2018:1125 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:1972 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:1274 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [debian-lts-announce] 20181027 [SECURITY] [DLA 1556-1] paramiko security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-3603-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2018:0646 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:1213 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-3603-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2018:1525 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:1328 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:0591 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 103713 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/paramiko/paramiko/blob/master/sites/www/changelog.rst (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20211228 [SECURITY] [DLA 2860-1] paramiko security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-0111 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-232r-66cg-79px (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-7750)Record last updated .