CVE-2016-6393

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-399

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-aaadosVendor Advisory
http://www.securityfocus.com/bid/93196Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036914Third Party Advisory, VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-16-287-04Third Party Advisory, US Government Resource
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-aaadosVendor Advisory
http://www.securityfocus.com/bid/93196Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036914Third Party Advisory, VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-16-287-04Third Party Advisory, US Government Resource

Timeline

Published: Oct 5, 2016
Last modified: Jun 17, 2026
NVD status: Modified

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