CVE-2015-4203

Severity CVSS v4.0:

Pending analysis

Type:

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Publication date:

23/06/2015

Last modified:

12/04/2025

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.

Impact

Vector 2.0

AV:N/AC:H/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 5.40 MEDIUM
Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): High
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0

5.40

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:cisco:ios:12.2\(33\)sch:::::::*
cpe:2.3:o:cisco:ios:12.2sch:::::::*
cpe:2.3:h:cisco:ubr10000_cable_modem_termination_system:-:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2015-4203

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools