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CVE-2016-6393

nvd nist
Published: Oct 5, 2016Modified: May 6, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

The AAA service in Cisco IOS 12.0 through 12.4 and 15.0 through 15.6 and IOS XE 2.1 through 3.18 and 16.2 allows remote attackers to cause a denial of service (device reload) via a failed SSH connection attempt that is mishandled during generation of an error-log message, aka Bug ID CSCuy87667.

Affected (4)

Products: Cisco: Ios, Ios Xe
Cisco
2 products
Ios
Ios Xe
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Cisco
Ios
From 12.0 to 12.4
Ios
From 15.0 to 15.6
Cisco
Ios Xe
From 2.1.0 to 3.18.0
Ios Xe
Version 16.2

Related CWEs

CWE-399
CWE-399

References (8)

Source: psirt@cisco.com
Vendor Advisory
Source: psirt@cisco.com
Third Party AdvisoryVDB Entry
Source: psirt@cisco.com
Third Party AdvisoryVDB Entry
Source: psirt@cisco.com
Third Party AdvisoryUS Government Resource
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryUS Government Resource

Timeline

No history available yet.