CVE-2015-4203

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.

• CWE-362

• http://tools.cisco.com/security/center/viewAlert.x?alertId=39439Vendor Advisory
• http://www.securityfocus.com/bid/75339Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1032692Third Party Advisory, VDB Entry
• http://tools.cisco.com/security/center/viewAlert.x?alertId=39439Vendor Advisory
• http://www.securityfocus.com/bid/75339Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1032692Third Party Advisory, VDB Entry

Published

Jun 23, 2015

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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