Vulnerability Database

314,343

Total vulnerabilities in the database

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.

  • Published: Jun 23, 2015
  • Updated: Nov 9, 2025
  • CVE: CVE-2015-4203
  • Severity: Medium
  • Exploit:

CVSS v2:

  • Severity: Medium
  • Score: 5.4
  • AV:N/AC:H/Au:N/C:N/I:N/A:C

CWEs:

Software From Fixed in
cisco / ios 12.2(33)sch 12.2(33)sch.x
cisco / ios 12.2sch 12.2sch.x