CVE-2017-5243
8.5 · HIGHOverview
CVE-2017-5243 is a high-severity vulnerability affecting rapid7 nexpose. It was published on June 6, 2017 and has a CVSS 3.0 base score of 8.5 (HIGH).
This vulnerability has a CVSS 3.0 base score of 8.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from rapid7. Update nexpose to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| rapid7 | nexpose | 0 | Affected |
Frequently Asked Questions
What is CVE-2017-5243?
CVE-2017-5243 is a high-severity vulnerability affecting rapid7 nexpose. It was published on June 6, 2017 and has a CVSS 3.0 base score of 8.5 (HIGH).
How severe is CVE-2017-5243?
This vulnerability has a CVSS 3.0 base score of 8.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2017-5243?
Check the references section for vendor advisories and patches from rapid7. Update nexpose to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2017-5243?
CyberStrike's AI-powered security agents can automatically detect CVE-2017-5243 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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