CVE-2017-5243

8.5 HIGH

Published: June 06, 2017 Modified: May 13, 2026

Description

The default SSH configuration in Rapid7 Nexpose hardware appliances shipped before June 2017 does not specify desired algorithms for key exchange and other important functions. As a result, it falls back to allowing ALL algorithms supported by the relevant version of OpenSSH and makes the installations vulnerable to a range of MITM, downgrade, and decryption attacks.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://community.rapid7.com/community/nexpose/blog/2017/05/31/r7-2017-13-nexpose-hardware-appliance-ssh-enabled-obsolete-algorithms-cve-2017-5243

Source: cve@rapid7.com

Vendor Advisory

https://community.rapid7.com/community/nexpose/blog/2017/05/31/r7-2017-13-nexpose-hardware-appliance-ssh-enabled-obsolete-algorithms-cve-2017-5243

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

8.5 / 10.0

EPSS (Exploit Probability)

0.5%

39th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-327 CWE-327

Affected Vendors

rapid7

Related CVEs

CVE-2026-9677 N/A

CVE-2026-13245 6.1

CVE-2026-12404 5.3

CVE-2026-10820 N/A

CVE-2026-12415 9.8