National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-4199 Detail

Current Description

Race condition in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine (PRE) module on UBR devices allows remote attackers to cause a denial of service (NULL pointer free and module crash) by triggering intermittent connectivity with many IPv6 CPE devices, aka Bug ID CSCug47366.

Source:  MITRE
Description Last Modified:  06/27/2015
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.1 HIGH
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://tools.cisco.com/security/center/viewAlert.x?alertId=39423 Vendor Advisory
http://www.securityfocus.com/bid/75335 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1032692 Third Party Advisory VDB Entry

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:o:cisco:ios:15.3s:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-4199
NVD Published Date:
06/27/2015
NVD Last Modified:
12/28/2016