CVE-2017-5243 describes a critical vulnerability in Rapid7 Nexpose hardware appliances shipped before June 2017, where the default SSH configuration lacks specified algorithms, leading to a fallback to all OpenSSH-supported algorithms. This oversight exposes the appliances to various Man-in-the-Middle (MITM), downgrade, and decryption attacks. With a CVSS score of 8.5 (HIGH), the vulnerability is network-exploitable with high impact on confidentiality, integrity, and availability, despite requiring low privileges and high attack complexity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 6.4.40CPE matchmatch criteria | cpe:2.3:a:rapid7:nexpose:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub 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 records are not available for this CVE.