Cisco IOS Improper Input Validation (CVE-2016-1409)

high Tenable OT Security Plugin ID 502758

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS XE 2.1 through 3.17S, IOS XR 2.0.0 through 5.3.2, and NX- OS allows remote attackers to cause a denial of service (packet- processing outage) via crafted ND messages, aka Bug ID CSCuz66542, as exploited in the wild in May 2016.

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Solution

Refer to the vendor advisory.

Plugin Details

Severity: High

ID: 502758

File Name: tenable_ot_cisco_CVE-2016-1409.nasl

Version: 1.3

Type: remote

Family: Tenable.ot

Published: 12/4/2024

Updated: 3/23/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2016-1409

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:nx-os

Required KB Items: Tenable.ot/Cisco

Exploit Ease: No known exploits are available

Patch Publication Date: 5/29/2016

Vulnerability Publication Date: 5/29/2016

Reference Information

CVE: CVE-2016-1409

CWE: 20

Detections

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