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

Affected software

No affected versions have been published.

Timeline

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

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CVE-2016-6393: High severity, CVSS 7.5 | Vulnix