Vulnerability Database

314,343

Total vulnerabilities in the database

CVE-2016-6423

The IKEv2 client and initiator implementations in Cisco IOS 15.5(3)M and IOS XE allow remote IKEv2 servers to cause a denial of service (device reload) via crafted IKEv2 packets, aka Bug ID CSCux97540.

  • Published: Oct 5, 2016
  • Updated: Nov 9, 2025
  • CVE: CVE-2016-6423
  • Severity: Medium
  • Exploit:

CVSS v2:

  • Severity: Medium
  • Score: 6.3
  • AV:N/AC:M/Au:S/C:N/I:N/A:C

CWEs: