CVE-2015-4217

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2015-4217
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-06-26 10:59:04 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe remote-support feature on Cisco Web Security Virtual Appliance (WSAv), Email Security Virtual Appliance (ESAv), and Security Management Virtual Appliance (SMAv) devices before 2015-06-25 uses the same default SSH host keys across different customers' installations, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by leveraging knowledge of a private key from another installation, aka Bug IDs CSCus29681, CSCuu95676, and CSCuu96601.

Risk And Classification

Primary CVSS: v2.0 4.3 from [email protected]

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

Problem Types: CWE-200 | CWE-310 | n/a

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Cisco Content Security Management Virtual Appliance 8.4.0.0150 All All All
Application Cisco Content Security Management Virtual Appliance 9.0.0.087 All All All
Application Cisco Email Security Virtual Appliance 8.0.0 All All All
Application Cisco Email Security Virtual Appliance 8.5.6 All All All
Application Cisco Email Security Virtual Appliance 8.5.7 All All All
Application Cisco Email Security Virtual Appliance 9.0.0 All All All
Application Cisco Web Security Virtual Appliance 7.7.5 All All All
Application Cisco Web Security Virtual Appliance 8.0.5 All All All
Application Cisco Web Security Virtual Appliance 8.5.0 All All All
Application Cisco Web Security Virtual Appliance 8.5.1 All All All
Application Cisco Web Security Virtual Appliance 8.6.0 All All All
Application Cisco Web Security Virtual Appliance 8.7.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Cisco Virtual WSA, ESA, and SMA Default SSH Host Keys Vulnerability af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Vendor Advisory
Cisco Web Security Virtual Appliance Default SSH Keys Let Remote Users Gain Full Control of the Target System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
Multiple Cisco Products CVE-2015-4217 Default SSH Host Keys Security Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Multiple Default SSH Keys Vulnerabilities in Cisco Virtual WSA, ESA, and SMA af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Vendor Advisory
Cisco Email Security Virtual Appliance Default SSH Keys Let Remote Users Gain Full Control of the Target System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report