synced JUST NOW
01 Record

CVE-2016-6381

Cisco IOS 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.18 and 16.1 allow remote attackers to cause a denial of service (memory consumption or device reload) via fragmented IKEv1 packets, aka

UnratedPUBLISHEDCNA: cisco
CNA base scoreUnratedNo CNA CVSS vector

02 Description

Cisco IOS 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.18 and 16.1 allow remote attackers to cause a denial of service (memory consumption or device reload) via fragmented IKEv1 packets, aka

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.21% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 88.1% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2016-10-05 17:00Z10 YR AGO
Last updated
2024-08-06 01:29Z2 YR AGO
Reserved
2016-07-26
Assigning CNA
cisco
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
10fdf801a6e2392b7a5eb0a7477d2bd014fe8c2ed90c9f7e3a6ecc41c4955b0e

05 Affected products

VendorProductVersionsPlatforms
ciscoiosNot specified—
ciscoios_xeNot specified—
ciscoios_xe_16.1Not specified—
ciscoios_xe_3.3sgNot specified—
ciscoios_xe_3.3xoNot specified—
ciscoios_xe_3.4sgNot specified—

06 References