Home/CVE/The remote-support feature on Cisco Web Security Virtual Appliance (WSAv), Email Security Virtual Appliance (ESAv), and
CVE

CVE-2015-4217

The remote-support feature on Cisco Web Security Virtual Appliance (WSAv), Email Security Virtual Appliance (ESAv), and

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.

MEDIUM · CVSS 4.3 EPSS 0.00684
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
▤

Affected Products & Versions

3
cisco content security management virtual applianceall versions
cisco email security virtual applianceall versions
cisco web security virtual applianceall versions
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Scoring & Timeline

4.3
MEDIUM · CVSS v2 (legacy) · psirt@cisco.com
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This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:P/I:N/A:N
Published to NVD26 Jun 2015 · 10:59 AM
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References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150625-ironportVendor Advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=39461Vendor Advisory
http://www.securityfocus.com/bid/75418Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1032725Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1032726Third Party AdvisoryVDB Entry
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