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Test ID:1.3.6.1.4.1.25623.1.0.106316
Category:CISCO
Title:Cisco IOS Software AAA Login Denial of Service Vulnerability
Summary:A vulnerability in the Authentication, Authorization, and Accounting (AAA);service for remote Secure Shell Host (SSH) connections to the device for Cisco IOS Software could allow an;unauthenticated, remote attacker to cause the vulnerable device to reload.
Description:Summary:
A vulnerability in the Authentication, Authorization, and Accounting (AAA)
service for remote Secure Shell Host (SSH) connections to the device for Cisco IOS Software could allow an
unauthenticated, remote attacker to cause the vulnerable device to reload.

Vulnerability Insight:
The vulnerability is due to an error log message when a remote SSH
connection to the device fails AAA authentication. An attacker could exploit this vulnerability by attempting
to authenticate to the targeted device.

Vulnerability Impact:
An exploit could allow the attacker to cause a denial of service (DoS)
condition.

Solution:
See the referenced vendor advisory for a solution.

CVSS Score:
7.1

CVSS Vector:
AV:N/AC:M/Au:N/C:N/I:N/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2016-6393
BugTraq ID: 93196
http://www.securityfocus.com/bid/93196
Cisco Security Advisory: 20160928 Cisco IOS and IOS XE Software AAA Login Denial of Service Vulnerability
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-aaados
https://ics-cert.us-cert.gov/advisories/ICSA-16-287-04
http://www.securitytracker.com/id/1036914
CopyrightCopyright (C) 2016 Greenbone AG

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