What is CVE-2016-6423?

CVE-2016-6423 is a medium-severity vulnerability in Cisco iOS, classified under CWE-399. CVSS score: 6.5/10. Published 2016-10-05.

How severe is CVE-2016-6423?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Cisco iOS

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.

EPSS: 0.012 (65.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Cisco Ios — versions 15.5\(3\)m
N/a — versions n/a

Weakness classification (CWE)

CWE-399

References

psirt@cisco.com (vdb-entry, x_refsource_SECTRACK)
psirt@cisco.com (vdb-entry, x_refsource_BID)
psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2016-6423?: CVE-2016-6423 is a medium-severity vulnerability in Cisco iOS, classified under CWE-399. CVSS score: 6.5/10. Published 2016-10-05.
How severe is CVE-2016-6423?: Medium severity. CVSS v3 base score is 6.5 out of 10.