CVE-2017-5243

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Summary

CVECVE-2017-5243
StatePUBLISHED
Assignerrapid7
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-06-06 16:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.0 8.5 HIGH from [email protected]

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

Problem Types: CWE-327 | CWE-327 CWE-327 (Use of a Broken or Risky Cryptographic Algorithm)

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary8.5HIGHCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
2.0[email protected]Primary6.8AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:M/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Rapid7 Nexpose All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Rapid7 Nexpose Hardware Appliance affected All Nexpose hardware appliances shipped before June 2017. Not specified

References

ReferenceSourceLinkTags
R7-2017-13 | CVE-2017-5243: Nexpose Hardware Appliance SSH Enabled Obsolete Algorithms af854a3a-2127-422b-91ae-364da2661108 community.rapid7.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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