SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-6720

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.

MEDIUM 6.5EPSS 1.40%

Does this matter?

Lower severity and a low EPSS score (1.40%). Track it; it rarely justifies an emergency change on its own.

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 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
1.40% probability · 71th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
cisco/sf302-08pp firmware · cisco/sf302-08mpp firmware · cisco/sg300-10pp firmware · cisco/sg300-10mpp firmware · cisco/sf300-24pp firmware · cisco/sf300-48pp firmware · cisco/sg300-28pp firmware · cisco/sf300-08 firmware · cisco/sf300-48p firmware · cisco/sg300-10mp firmware · cisco/sg300-10p firmware · cisco/sg300-10 firmware · cisco/sg300-28p firmware · cisco/sf300-24p firmware · cisco/sf302-08mp firmware · cisco/sg300-28 firmware · cisco/sf300-48 firmware · cisco/sg300-20 firmware · cisco/sf302-08p firmware · cisco/sg300-52 firmware · +40 more
Source
psirt@cisco.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.