CVE-2018-1000805

30

FAUCET Score

CVE-2018-1000805 is an Incorrect Access Control vulnerability in the SSH server component of Paramiko versions 2.4.1 and earlier, affecting distributions like Canonical, Debian, and Red Hat. This high-severity flaw (CVSS 8.8) allows authenticated attackers to achieve Remote Code Execution (RCE) over the network with low attack complexity. While no public exploits (Metasploit, Nuclei, ExploitDB) or active exploitation are currently observed, and community discussion is minimal, the potential for complete compromise of confidentiality, integrity, and availability is significant.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		1.17.6CPE matchmatch criteria	cpe:2.3:a:paramiko:paramiko:1.17.6:::::::*
		1.18.5CPE matchmatch criteria	cpe:2.3:a:paramiko:paramiko:1.18.5:::::::*
		2.0.8CPE matchmatch criteria	cpe:2.3:a:paramiko:paramiko:2.0.8:::::::*
		2.1.5CPE matchmatch criteria	cpe:2.3:a:paramiko:paramiko:2.1.5:::::::*
		2.2.3CPE matchmatch criteria	cpe:2.3:a:paramiko:paramiko:2.2.3:::::::*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

2.8

Impact Score

5.9

CvssVersion

3.1

Exploit Intelligence

EPSS Score

4.41%

Probability of exploitation in next 30 days

EPSS Percentile

90.3%

Percentile rank of EPSS score among Peer Group

As of 2026-07-26

Model: v2026.06.15

This CVE's current EPSS score of 0.0441 is in the 90th percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (27)

github_advisorypatch availablevia nvd_reference

pippatch availablevia ghsa

Product: paramikoFixed in: 2.3.3

pippatch availablevia ghsa

Product: paramikoFixed in: 2.2.4

pippatch availablevia ghsa

Product: paramikoFixed in: 2.4.2

pippatch availablevia ghsa

Product: paramikoFixed in: 2.1.6

pippatch availablevia ghsa

Product: paramikoFixed in: 2.0.9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 6.7 Extended Update SupportFixed in: python-paramiko-0:1.7.5-4.el6_7.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: python-paramiko-0:2.1.1-9.el7

redhatpatch availablevia redhat_api

Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Fixed in: imgbased-0:1.0.29-1.el7ev

redhatpatch availablevia redhat_api

Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Fixed in: redhat-release-virtualization-host-0:4.2-7.3.el7

redhatpatch availablevia redhat_api

Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Fixed in: redhat-virtualization-host-0:4.2-20181026.0.el7_6

redhatpatch availablevia redhat_api

Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Fixed in: rhvm-appliance-0:4.2-20181026.1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 6Fixed in: python-paramiko-0:1.7.5-5.el6_10

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 6.4 Advanced Update SupportFixed in: python-paramiko-0:1.7.5-4.el6_4.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 6.5 Advanced Update SupportFixed in: python-paramiko-0:1.7.5-4.el6_5.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 6.6 Advanced Update SupportFixed in: python-paramiko-0:1.7.5-4.el6_6.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 6.6 Telco Extended Update SupportFixed in: python-paramiko-0:1.7.5-4.el6_6.1

redhatvendor investigatingvia redhat_api

Product: Red Hat Storage 3Fixed in: python-paramiko

redhatno patchvia redhat_api

Product: Red Hat Ceph Storage 2Fixed in: python-paramiko

redhatend of lifevia redhat_api

Product: Red Hat OpenStack Platform 10 (Newton)Fixed in: python-paramiko

redhatend of lifevia redhat_api

Product: Red Hat OpenStack Platform 12 (Pike)Fixed in: python-paramiko

redhatend of lifevia redhat_api

Product: Red Hat OpenStack Platform 14 (Rocky)Fixed in: python-paramiko

redhatend of lifevia redhat_api

Product: Red Hat OpenStack Platform 8 (Liberty)Fixed in: python-paramiko

redhatend of lifevia redhat_api

Product: Red Hat OpenStack Platform 9 (Mitaka)Fixed in: python-paramiko

redhatend of lifevia redhat_api

Product: Red Hat Ansible Engine 2Fixed in: ansible

redhatend of lifevia redhat_api

Product: Red Hat Update Infrastructure 3 for Cloud ProvidersFixed in: python-paramiko

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)Fixed in: python-paramiko

Vendor Advisories (2)

pipGHSA-f2j6-wrhh-v25mhigh

Paramiko Authentication Bypass vulnerability

redhatCVE-2018-1000805Critical

python-paramiko: Authentication bypass in auth_handler.py

References

access.redhat.com / errata/RHBA-2018:3497

Third Party Advisory

access.redhat.com / errata/RHSA-2018:3347

Third Party Advisory

access.redhat.com / errata/RHSA-2018:3406

Third Party Advisory

access.redhat.com / errata/RHSA-2018:3505

Third Party Advisory

github.com / paramiko/paramiko/issues/1283

PatchThird Party Advisory

herolab.usd.de / wp-content/uploads/sites/4/usd20180023.txt

Broken Link

lists.debian.org / debian-lts-announce/2018/10/msg00018.html

Mailing ListThird Party Advisory

lists.debian.org / debian-lts-announce/2021/12/msg00025.html

Mailing ListThird Party Advisory

usn.ubuntu.com / 3796-1

Third Party Advisory

usn.ubuntu.com / 3796-2

Third Party Advisory

usn.ubuntu.com / 3796-3

Third Party Advisory