Home/CVE/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
CVE

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

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.

CRITICAL · CVSS 9.8 EPSS 0.13825
Act now
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 6% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
▤

Affected Products & Versions

17
paramiko< 1.17.6
paramiko>= 1.18.0 and < 1.18.5
paramiko>= 2.0.0 and < 2.0.8
paramiko>= 2.1.0 and < 2.1.5
paramiko>= 2.2.0 and < 2.2.3
paramiko>= 2.3.0 and < 2.3.2
paramikoall versions
redhat ansible engineall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI paramiko CRITICAL fixed in 2.0.8
⚠

Public Exploits & PoCs

2
remoteParamiko 2.4.1 - Authentication Bypass2018-10-29
pocwww.exploit-db.com · 45712www.exploit-db.com
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPowershell Detect Virtualization Environment
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Mar 2018 · 06:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

17
suse-csafopenSUSE-SU-2024:11249-1
suse-csafSUSE-SU-2018:2777-1
suse-csafSUSE-SU-2018:1971-1
suse-csafSUSE-SU-2018:1850-1
rhsaRHSA-2018:1525Critical
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/103713Third Party AdvisoryVDB Entry
https://github.com/paramiko/paramiko/blob/master/sites/www/changelog.rstThird Party Advisory
https://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516PatchThird Party Advisory
https://github.com/paramiko/paramiko/issues/1175Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/10/msg00018.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00025.htmlMailing ListThird Party Advisory
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin