CVE-2015-4217
Cisco Web Security Virtual Appliance SSH Key Reuse 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.
INFO
Published Date :
June 26, 2015, 10:59 a.m.
Last Modified :
Dec. 28, 2016, 4:51 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.9
Exploitability Score :
8.6
Affected Products
The following products are affected by CVE-2015-4217
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2015-4217.
| URL | Resource |
|---|---|
| http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150625-ironport | Vendor Advisory |
| http://tools.cisco.com/security/center/viewAlert.x?alertId=39461 | Vendor Advisory |
| http://www.securityfocus.com/bid/75418 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1032725 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1032726 | Third Party Advisory VDB Entry |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2015-4217 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-4217 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Dec. 28, 2016
Action Type Old Value New Value Changed Reference Type http://www.securitytracker.com/id/1032726 No Types Assigned http://www.securitytracker.com/id/1032726 Third Party Advisory, VDB Entry Changed Reference Type http://www.securityfocus.com/bid/75418 No Types Assigned http://www.securityfocus.com/bid/75418 Third Party Advisory, VDB Entry Changed Reference Type http://www.securitytracker.com/id/1032725 No Types Assigned http://www.securitytracker.com/id/1032725 Third Party Advisory, VDB Entry -
CVE Modified by [email protected]
Dec. 28, 2016
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1032726 [No Types Assigned] Added Reference http://www.securitytracker.com/id/1032725 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 07, 2016
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/75418 [No Types Assigned] -
Modified Analysis by [email protected]
Jun. 26, 2015
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:a:cisco:content_security_management_virtual_appliance:8.4.0.0150:*:*:*:*:*:*:* *cpe:2.3:a:cisco:content_security_management_virtual_appliance:9.0.0.087:*:*:*:*:*:*:* *cpe:2.3:a:cisco:email_security_virtual_appliance:9.0.0:*:*:*:*:*:*:* *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:web_security_virtual_appliance:8.7.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:web_security_virtual_appliance:8.6.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:web_security_virtual_appliance:8.5.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:web_security_virtual_appliance:8.5.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:web_security_virtual_appliance:8.0.5:*:*:*:*:*:*:* *cpe:2.3:a:cisco:web_security_virtual_appliance:7.7.5:*:*:*:*:*:*:* Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:N/A:N) Changed Reference Type http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150625-ironport No Types Assigned http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150625-ironport Advisory Changed Reference Type http://tools.cisco.com/security/center/viewAlert.x?alertId=39461 No Types Assigned http://tools.cisco.com/security/center/viewAlert.x?alertId=39461 Advisory Added CWE CWE-200 Added CWE CWE-310 -
Initial Analysis by [email protected]
Jun. 26, 2015
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-4217 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2015-4217
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.20 }} 0.00%
score
0.56645
percentile