5.4
CVSSv2

CVE-2015-4203

Published: 23/06/2015 Updated: 28/12/2016
CVSS v2 Base Score: 5.4 | Impact Score: 6.9 | Exploitability Score: 4.9
VMScore: 481
Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C

Vulnerability Summary

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 malicious users to cause a denial of service (PXF process crash) by sending malformed MPLS 6VPE packets quickly, aka Bug ID CSCud83396.

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cisco ios 12.2sch

cisco ios 12.2\\(33\\)sch

Vendor Advisories

A vulnerability in Cisco Universal Broadband Routers performing IPv6 VPN over Multiprotocol Label Switching (MPLS; 6VPE) and configured for NetFlow could allow an unauthenticated, remote attacker to cause a crash of the Parallel Express Forwarding (PXF) process on the Performance Routing Engine (PRE) module The vulnerability is due to a race cond ...