5.4
MEDIUM
CVE-2015-4203
Cisco uBR10000 NetFlow MPLS IPv6 VPN PRE Denial of Service
Description

Race condition in Cisco IOS 12.2SCH in the Performance Routing Engine (PRE) module on uBR10000 devices, when NetFlow and an MPLS IPv6 VPN are configured, allows remote attackers to cause a denial of service (PXF process crash) by sending malformed MPLS 6VPE packets quickly, aka Bug ID CSCud83396.

INFO

Published Date :

June 23, 2015, 2:59 p.m.

Last Modified :

Dec. 28, 2016, 6:01 p.m.

Remotely Exploitable :

Yes !

Impact Score :

6.9

Exploitability Score :

4.9
Affected Products

The following products are affected by CVE-2015-4203 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.

ID Vendor Product Action
1 Cisco ios
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-2015-4203.

URL Resource
http://tools.cisco.com/security/center/viewAlert.x?alertId=39439 Vendor Advisory
http://www.securityfocus.com/bid/75339 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1032692 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-2015-4203 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-4203 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/1032692 No Types Assigned http://www.securitytracker.com/id/1032692 Third Party Advisory, VDB Entry
    Changed Reference Type http://www.securityfocus.com/bid/75339 No Types Assigned http://www.securityfocus.com/bid/75339 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/1032692 [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 07, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/75339 [No Types Assigned]
  • Modified Analysis by [email protected]

    Jun. 23, 2015

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 AND OR *cpe:2.3:o:cisco:ios:12.2sch:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:12.2\(33\)sch:*:*:*:*:*:*:* OR cpe:2.3:h:cisco:ubr10000_cable_modem_termination_system:-:*:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:H/Au:N/C:N/I:N/A:C)
    Changed Reference Type http://tools.cisco.com/security/center/viewAlert.x?alertId=39439 No Types Assigned http://tools.cisco.com/security/center/viewAlert.x?alertId=39439 Advisory
    Added CWE CWE-362
  • Initial Analysis by [email protected]

    Jun. 23, 2015

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-4203 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-2015-4203 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.26 }} 0.00%

score

0.61873

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability