CVE-2017-6720 Information

Description

A vulnerability in the Secure Shell (SSH) subsystem of Cisco Small Business Managed Switches software could allow an authenticated remote attacker to cause a reload of the affected switch resulting in a denial of service (DoS) condition. The vulnerability is due to improper processing of SSH connections. An attacker could exploit this vulnerability by logging in to an affected switch via SSH and sending a malicious SSH message. This vulnerability affects the following Cisco products when SSH is enabled: Small Business 300 Series Managed Switches Small Business 500 Series Stackable Managed Switches 350 Series Managed Switches 350X Series Stackable Managed Switches 550X Series Stackable Managed Switches ESW2 Series Advanced Switches. Cisco Bug IDs: CSCvb48377.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/100933 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170920-sbms

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5