Vulnerability Details : CVE-2015-4316
The Mobile and Remote Access (MRA) endpoint-validation feature in Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.2 improperly validates the phone line used for registration, which allows remote authenticated users to conduct impersonation attacks via a crafted registration, aka Bug ID CSCuv40396.
Vulnerability category: Input validation
Products affected by CVE-2015-4316
- cpe:2.3:a:cisco:telepresence_video_communication_server_software:x8.5.2:*:*:*:expressway:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-4316
0.24%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 61 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-4316
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:P |
8.0
|
4.9
|
NIST |
CWE ids for CVE-2015-4316
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-4316
-
http://tools.cisco.com/security/center/viewAlert.x?alertId=40445
Cisco TelePresence Video Communication Server Expressway Access VulnerabilityVendor Advisory
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http://www.securityfocus.com/bid/76353
Cisco TelePresence Video Communication Server Expressway Unauthorized Access Vulnerability
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http://www.securitytracker.com/id/1033282
Cisco TelePresence Video Communication Server Expressway Flaw Lets Remote Users Access the Target System - SecurityTracker
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