# CVE-2018-1000805: Paramiko Authentication Bypass vulnerability

Source: https://junglewise.ai/threats/cve-2018-1000805-paramiko-authentication-bypass-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2018-10-08  
License: CC BY 4.0 with a link back

CVE-2018-1000805 · Severity: low · CVSS 3 · Published 2018-10-08

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.

Technologies: [paramiko (PyPI)](https://junglewise.ai/threats/technologies/pypi-paramiko). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2018-1000805 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2018-1000805 being exploited in the wild.

**How severe is CVE-2018-1000805?** Low severity, with a CVSS score of 3, published 8 October 2018.

**Which products and versions are affected?** paramiko (PyPI) ECOSYSTEM:introduced=1.5.1,fixed=2.0.9, ECOSYSTEM:introduced=2.4.0,fixed=2.4.2.

**Is there a fix for CVE-2018-1000805?** Yes. paramiko (PyPI): upgrade to 2.0.9, 2.4.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2018-1000805?** Check whether you run paramiko (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- paramiko (PyPI): upgrade to 2.0.9, 2.4.2 or later

  ```sh
  pip install "paramiko>=2.4.2"
  ```


## Affected products

- paramiko (PyPI) ECOSYSTEM:introduced=1.5.1,fixed=2.0.9, ECOSYSTEM:introduced=2.4.0,fixed=2.4.2

## Identifiers

- CVE-2018-1000805
- GHSA-f2j6-wrhh-v25m
- PYSEC-2018-69

## Related threats

- [Paramiko use of broken SHA-1 algorithm in RSA key handling](https://junglewise.ai/threats/cve-2026-44405-paramiko-use-of-broken-sha-1-algorithm-in-rsa-key-handling)
- [OpenSSH and others SSH prefix truncation vulnerability (Terrapin)](https://junglewise.ai/threats/cve-2023-48795-openssh-and-others-ssh-prefix-truncation-vulnerability-terrapin)
- [Race Condition in Paramiko](https://junglewise.ai/threats/cve-2022-24302-race-condition-in-paramiko)
- [Paramiko authentication bypass in SSH server implementation](https://junglewise.ai/threats/cve-2018-7750-paramiko-authentication-bypass-in-ssh-server-implementation)
- [Paramiko Unsafe randomness usage may allow access to sensitive information](https://junglewise.ai/threats/cve-2008-0299-paramiko-unsafe-randomness-usage-may-allow-access-to-sensitive)
