Vulnerability Monitor

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CVE-2015-4217

The 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.

Security Impact Summary

CVE-2015-4217 is a security vulnerability that . Impacting 3 products from cisco, from cisco, from cisco organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-06-26T10:59:04.343

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-200
CWE-310

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	cisco	content_security_management_virtual_appliance	8.4.0.0150	Yes
Application	cisco	content_security_management_virtual_appliance	9.0.0.087	Yes
Application	cisco	email_security_virtual_appliance	8.0.0	Yes
Application	cisco	email_security_virtual_appliance	8.5.6	Yes
Application	cisco	email_security_virtual_appliance	8.5.7	Yes
Application	cisco	email_security_virtual_appliance	9.0.0	Yes
Application	cisco	web_security_virtual_appliance	7.7.5	Yes
Application	cisco	web_security_virtual_appliance	8.0.5	Yes
Application	cisco	web_security_virtual_appliance	8.5.0	Yes
Application	cisco	web_security_virtual_appliance	8.5.1	Yes
Application	cisco	web_security_virtual_appliance	8.6.0	Yes
Application	cisco	web_security_virtual_appliance	8.7.0	Yes

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150625-ironport Vendor Advisory ([email protected])
http://tools.cisco.com/security/center/viewAlert.x?alertId=39461 Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/75418 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1032725 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1032726 Third Party Advisory, VDB Entry ([email protected])
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150625-ironport Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://tools.cisco.com/security/center/viewAlert.x?alertId=39461 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/75418 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1032725 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1032726 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.