Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Content Security Management Virtual Appliance | 8.4.0.0150 |
| Cisco | Email Security Virtual Appliance | 8.0.0 |
| Cisco | Web Security Virtual Appliance | 7.7.5 |
Related Weaknesses (CWE)
References
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20Vendor 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
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20Vendor 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
FAQ
What is CVE-2015-4217?
CVE-2015-4217 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 ...
How severe is CVE-2015-4217?
CVE-2015-4217 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-4217?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Content Security Management Virtual Appliance, Cisco Email Security Virtual Appliance, Cisco Web Security Virtual Appliance.