Vulnerability Details : CVE-2015-4216
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 root authorized key across different customers' installations, which makes it easier for remote attackers to bypass authentication by leveraging knowledge of a private key from another installation, aka Bug IDs CSCuu95988, CSCuu95994, and CSCuu96630.
Vulnerability category: Information leak
Products affected by CVE-2015-4216
- cpe:2.3:a:cisco:web_security_virtual_appliance:7.7.5:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:web_security_virtual_appliance:8.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:web_security_virtual_appliance:8.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:web_security_virtual_appliance:8.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:web_security_virtual_appliance:8.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:web_security_virtual_appliance:8.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:content_security_management_virtual_appliance:9.0.0.087:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:content_security_management_virtual_appliance:8.4.0.0150:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_virtual_appliance:8.5.7:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_virtual_appliance:8.5.6:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_virtual_appliance:8.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_virtual_appliance:9.0.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-4216
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-4216
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2015-4216
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-4216
-
http://www.securityfocus.com/bid/75417
Multiple Cisco Products CVE-2015-4216 Default SSH Host Keys Privilege Escalation VulnerabilityThird Party Advisory;VDB Entry
-
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150625-ironport
Multiple Default SSH Keys Vulnerabilities in Cisco Virtual WSA, ESA, and SMAVendor Advisory
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http://www.securitytracker.com/id/1032725
Cisco Email Security Virtual Appliance Default SSH Keys Let Remote Users Gain Full Control of the Target System - SecurityTrackerThird Party Advisory;VDB Entry
-
http://www.securitytracker.com/id/1032726
Cisco Web Security Virtual Appliance Default SSH Keys Let Remote Users Gain Full Control of the Target System - SecurityTrackerThird Party Advisory;VDB Entry
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