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Paramiko version 2.4.1, 2.3.2, 2.2.3, 2.1.5, 2.0.8, 1.18.5, 1.17.6 contains a Incorrect…

Priority MEDIUM 45CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 23 fixed, 20 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-863.

Summary

Paramiko version 2.4.1, 2.3.2, 2.2.3, 2.1.5, 2.0.8, 1.18.5, 1.17.6 contains a Incorrect Access Control vulnerability in SSH server that can result in RCE. This attack appear to be exploitable via network connectivity.

Why it matters now

EPSS 0.04407 91st percentileScored 2026-11-07
Fix Partial paramiko (PyPI): 2.4.2, 2.3.3, 2.2.4 +2Red Hat: 3 advisoriesRed Hat: 23 fixed, 20 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—paramiko (PyPI)2.4.0 to before 2.4.22.4.2Patch availableGHSA-f2j6-wrhh-v25m
—paramiko (PyPI)2.3.0 to before 2.3.32.3.3Patch availableGHSA-f2j6-wrhh-v25m
—paramiko (PyPI)2.2.0 to before 2.2.42.2.4Patch availableGHSA-f2j6-wrhh-v25m
—paramiko (PyPI)2.1.0 to before 2.1.62.1.6Patch availableGHSA-f2j6-wrhh-v25m
—paramiko (PyPI)1.5.1 to before 2.0.92.0.9Patch availableGHSA-f2j6-wrhh-v25m
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • paramiko (PyPI) Vendor— Affected 2.4.0 to before 2.4.2 Fixed in 2.4.2 Patch available GHSA-f2j6-wrhh-v25m
  • paramiko (PyPI) Vendor— Affected 2.3.0 to before 2.3.3 Fixed in 2.3.3 Patch available GHSA-f2j6-wrhh-v25m
  • paramiko (PyPI) Vendor— Affected 2.2.0 to before 2.2.4 Fixed in 2.2.4 Patch available GHSA-f2j6-wrhh-v25m
  • paramiko (PyPI) Vendor— Affected 2.1.0 to before 2.1.6 Fixed in 2.1.6 Patch available GHSA-f2j6-wrhh-v25m
  • paramiko (PyPI) Vendor— Affected 1.5.1 to before 2.0.9 Fixed in 2.0.9 Patch available GHSA-f2j6-wrhh-v25m

CPE configurations NVD · 30

CPEVersionsRoleVendor
cpe:2.3:a:paramiko:paramiko:1.17.6:*:*:*:*:*:*:*1.17.6VulnerableParamiko
cpe:2.3:a:paramiko:paramiko:1.18.5:*:*:*:*:*:*:*1.18.5VulnerableParamiko
cpe:2.3:a:paramiko:paramiko:2.0.8:*:*:*:*:*:*:*2.0.8VulnerableParamiko
cpe:2.3:a:paramiko:paramiko:2.1.5:*:*:*:*:*:*:*2.1.5VulnerableParamiko
cpe:2.3:a:paramiko:paramiko:2.2.3:*:*:*:*:*:*:*2.2.3VulnerableParamiko
cpe:2.3:a:paramiko:paramiko:2.3.2:*:*:*:*:*:*:*2.3.2VulnerableParamiko
cpe:2.3:a:paramiko:paramiko:2.4.1:*:*:*:*:*:*:*2.4.1VulnerableParamiko
cpe:2.3:a:redhat:ansible_tower:3.3:*:*:*:*:*:*:*3.3VulnerableRed Hat
cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*4.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
  • cpe:2.3:a:paramiko:paramiko:1.17.6:*:*:*:*:*:*:* Versions 1.17.6 Vulnerable ·Paramiko
  • cpe:2.3:a:paramiko:paramiko:1.18.5:*:*:*:*:*:*:* Versions 1.18.5 Vulnerable ·Paramiko
  • cpe:2.3:a:paramiko:paramiko:2.0.8:*:*:*:*:*:*:* Versions 2.0.8 Vulnerable ·Paramiko
  • cpe:2.3:a:paramiko:paramiko:2.1.5:*:*:*:*:*:*:* Versions 2.1.5 Vulnerable ·Paramiko
  • cpe:2.3:a:paramiko:paramiko:2.2.3:*:*:*:*:*:*:* Versions 2.2.3 Vulnerable ·Paramiko
  • cpe:2.3:a:paramiko:paramiko:2.3.2:*:*:*:*:*:*:* Versions 2.3.2 Vulnerable ·Paramiko
  • cpe:2.3:a:paramiko:paramiko:2.4.1:*:*:*:*:*:*:* Versions 2.4.1 Vulnerable ·Paramiko
  • cpe:2.3:a:redhat:ansible_tower:3.3:*:*:*:*:*:*:* Versions 3.3 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
Show 20 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:6.4:*:*:*:*:*:*:*6.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:*6.5VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:*:*:*:*:*:*:*6.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:6.7:*:*:*:*:*:*:*6.7VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:6.6:*:*:*:*:*:*:*6.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*18.10VulnerableCanonical
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:6.4:*:*:*:*:*:*:* Versions 6.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:* Versions 6.5 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:*:*:*:*:*:*:* Versions 6.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:6.7:*:*:*:*:*:*:* Versions 6.7 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:6.6:*:*:*:*:*:*:* Versions 6.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* Versions 18.10 Vulnerable ·Canonical

Remediation

  • Fix · GHSA-f2j6-wrhh-v25m paramiko (PyPI) Fixed in 2.4.2 Advisory →
  • Fix · GHSA-f2j6-wrhh-v25m paramiko (PyPI) Fixed in 2.3.3 Advisory →
  • Fix · GHSA-f2j6-wrhh-v25m paramiko (PyPI) Fixed in 2.2.4 Advisory →
  • Fix · GHSA-f2j6-wrhh-v25m paramiko (PyPI) Fixed in 2.1.6 Advisory →
  • Fix · GHSA-f2j6-wrhh-v25m paramiko (PyPI) Fixed in 2.0.9 Advisory →

Red Hat 3 advisories

  • RHSA-2018:3470 Released 2018-11-05 · Red Hat rating Moderate
    Red Hat Virtualization security and bug fix update
    • RHEL 7-based RHEV-H for RHEV 4 (build requirements) imgbased-1.0.29-1.el7ev, python-imgbased-1.0.29-1.el7ev, redhat-release-virtualization-host-4.2-7.3.el7 +1
    • Red Hat Virtualization 4 Hypervisor for RHEL 7 redhat-virtualization-host-4.2-20181026.0.el7_6, redhat-virtualization-host-image-update-4.2-20181026.0.el7_6
  • RHSA-2018:3406 Released 2018-10-30 · Red Hat rating Critical
    python-paramiko security update
    • Red Hat Enterprise Linux Desktop (v. 6) python-paramiko-1.7.5-5.el6_10
    • Red Hat Enterprise Linux HPC Node (v. 6) python-paramiko-1.7.5-5.el6_10
    • Red Hat Enterprise Linux HPC Node EUS (v. 6.7) python-paramiko-1.7.5-4.el6_7.1
    • Red Hat Enterprise Linux Server (v. 6) python-paramiko-1.7.5-5.el6_10
    • Red Hat Enterprise Linux Server AUS (v. 6.4) python-paramiko-1.7.5-4.el6_4.1
    • Red Hat Enterprise Linux Server AUS (v. 6.5) python-paramiko-1.7.5-4.el6_5.1
    • Red Hat Enterprise Linux Server AUS (v. 6.6) python-paramiko-1.7.5-4.el6_6.1
    • Red Hat Enterprise Linux Server EUS (v. 6.7) python-paramiko-1.7.5-4.el6_7.1
    • Red Hat Enterprise Linux Server TUS (v. 6.6) python-paramiko-1.7.5-4.el6_6.1
    • Red Hat Enterprise Linux Workstation (v. 6) python-paramiko-1.7.5-5.el6_10
  • RHSA-2018:3347 Released 2018-10-30 · Red Hat rating Critical
    python-paramiko security update
    • Red Hat Enterprise Linux Client (v. 7) python-paramiko-2.1.1-9.el7
    • Red Hat Enterprise Linux Client Optional (v. 7) python-paramiko-doc-2.1.1-9.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) python-paramiko-2.1.1-9.el7
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) python-paramiko-doc-2.1.1-9.el7
    • Red Hat Enterprise Linux Server (v. 7) python-paramiko-2.1.1-9.el7
    • Red Hat Enterprise Linux Server Optional (v. 7) python-paramiko-doc-2.1.1-9.el7
    • Red Hat Enterprise Linux Workstation (v. 7) python-paramiko-2.1.1-9.el7
    • Red Hat Enterprise Linux Workstation Optional (v. 7) python-paramiko-doc-2.1.1-9.el7
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) python-paramiko-2.1.1-9.el7
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) python-paramiko-doc-2.1.1-9.el7

Vendor assessments

Red Hat

Red Hat rating: Critical. Red Hat's page for this CVE →

ProductStatusPlan or fix
CloudForms Management Engine 5AffectedNo fix planned: Out of support scope
Red Hat Ansible Engine 2AffectedNo fix planned: Will not fix
Red Hat Ceph Storage 2AffectedNo fix yet
Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)AffectedNo fix planned: Will not fix
Red Hat OpenShift Container Platform 3.2AffectedNo fix planned: Out of support scope
Red Hat OpenShift Container Platform 3.3AffectedNo fix planned: Out of support scope
Red Hat OpenShift Container Platform 3.4AffectedNo fix planned: Out of support scope
Red Hat OpenShift Container Platform 3.5AffectedNo fix planned: Out of support scope
Red Hat OpenShift Container Platform 3.6AffectedNo fix planned: Out of support scope
Red Hat OpenShift Container Platform 3.7AffectedNo fix planned: Out of support scope
Red Hat OpenShift Container Platform 3.9AffectedNo fix planned: Out of support scope
Red Hat OpenShift Enterprise 3.0AffectedNo fix planned: Out of support scope
Red Hat OpenShift Enterprise 3.1AffectedNo fix planned: Out of support scope
Red Hat OpenStack Platform 10 (Newton)AffectedNo fix planned: Will not fix
Red Hat OpenStack Platform 12 (Pike)AffectedNo fix planned: Will not fix
Red Hat OpenStack Platform 14 (Rocky)AffectedNo fix planned: Will not fix
Red Hat OpenStack Platform 8 (Liberty)AffectedNo fix planned: Will not fix
Red Hat OpenStack Platform 9 (Mitaka)AffectedNo fix planned: Will not fix
Red Hat Storage 3AffectedNo fix yet: Fix deferred
Red Hat Update Infrastructure 3 for Cloud ProvidersAffectedNo fix planned: Will not fix
RHEL 7-based RHEV-H for RHEV 4 (build requirements)Fixed RHSA-2018:3470
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2018:3347
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2018:3347
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2018:3347
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2018:3347
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2018:3406
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2018:3406
Red Hat Enterprise Linux HPC Node EUS (v. 6.7)Fixed RHSA-2018:3406
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2018:3406
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:3347
Red Hat Enterprise Linux Server AUS (v. 6.4)Fixed RHSA-2018:3406
Red Hat Enterprise Linux Server AUS (v. 6.5)Fixed RHSA-2018:3406
Red Hat Enterprise Linux Server AUS (v. 6.6)Fixed RHSA-2018:3406
Red Hat Enterprise Linux Server EUS (v. 6.7)Fixed RHSA-2018:3406
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2018:3347
Red Hat Enterprise Linux Server TUS (v. 6.6)Fixed RHSA-2018:3406
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2018:3406
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:3347
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2018:3347
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2018:3347
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2018:3347
Red Hat Virtualization 4 Hypervisor for RHEL 7Fixed RHSA-2018:3470
Red Hat Virtualization 4 Management Agent for RHEL 7 HostsFixed—
Not affected: 1 product
  • Red Hat Satellite 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1000805
  2. 2026-10-03 Alias added: GHSA-f2j6-wrhh-v25m

References

Sources