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. 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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
ciscoCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 61%
VendorProductVersion
ciscosf302-08pp_firmware
𝑥
< 1.4.8.06
ciscosf302-08mpp_firmware
𝑥
< 1.4.8.06
ciscosg300-10pp_firmware
𝑥
< 1.4.8.06
ciscosg300-10mpp_firmware
𝑥
< 1.4.8.06
ciscosf300-24pp_firmware
𝑥
< 1.4.8.06
ciscosf300-48pp_firmware
𝑥
< 1.4.8.06
ciscosg300-28pp_firmware
𝑥
< 1.4.8.06
ciscosf300-08_firmware
𝑥
< 1.4.8.06
ciscosf300-48p_firmware
𝑥
< 1.4.8.06
ciscosg300-10mp_firmware
𝑥
< 1.4.8.06
ciscosg300-10p_firmware
𝑥
< 1.4.8.06
ciscosg300-10_firmware
𝑥
< 1.4.8.06
ciscosg300-28p_firmware
𝑥
< 1.4.8.06
ciscosf300-24p_firmware
𝑥
< 1.4.8.06
ciscosf302-08mp_firmware
𝑥
< 1.4.8.06
ciscosg300-28_firmware
𝑥
< 1.4.8.06
ciscosf300-48_firmware
𝑥
< 1.4.8.06
ciscosg300-20_firmware
𝑥
< 1.4.8.06
ciscosf302-08p_firmware
𝑥
< 1.4.8.06
ciscosg300-52_firmware
𝑥
< 1.4.8.06
ciscosf300-24_firmware
𝑥
< 1.4.8.06
ciscosf302-08_firmware
𝑥
< 1.4.8.06
ciscosf300-24mp_firmware
𝑥
< 1.4.8.06
ciscosg300-10sfp_firmware
𝑥
< 1.4.8.06
ciscosg300-28mp_firmware
𝑥
< 1.4.8.06
ciscosg300-52p_firmware
𝑥
< 1.4.8.06
ciscosg300-52mp_firmware
𝑥
< 1.4.8.06
ciscosg500-28mpp_firmware
𝑥
< 1.4.8.06
ciscosg500-52mp_firmware
𝑥
< 1.4.8.06
ciscosg500xg-8f8t_firmware
𝑥
< 1.4.8.06
ciscosf500-24_firmware
𝑥
< 1.4.8.06
ciscosf500-24p_firmware
𝑥
< 1.4.8.06
ciscosf500-48_firmware
𝑥
< 1.4.8.06
ciscosf500-48p_firmware
𝑥
< 1.4.8.06
ciscosg500-28_firmware
𝑥
< 1.4.8.06
ciscosg500-28p_firmware
𝑥
< 1.4.8.06
ciscosg500-52_firmware
𝑥
< 1.4.8.06
ciscosg500-52p_firmware
𝑥
< 1.4.8.06
ciscosg500x-24_firmware
𝑥
< 1.4.8.06
ciscosg500x-24p_firmware
𝑥
< 1.4.8.06
ciscosg500x-48_firmware
𝑥
< 1.4.8.06
ciscosg500x-48p_firmware
𝑥
< 1.4.8.06
ciscoesw2-350g-52_firmware
𝑥
< 1.4.8.06
ciscoesw2-350g-52dc_firmware
𝑥
< 1.4.8.06
ciscoesw2-550x-48_firmware
𝑥
< 1.4.8.06
ciscoesw2-550x-48dc_firmware
𝑥
< 1.4.8.06
ciscosg350-10_firmware
𝑥
< 2.3.0.130
ciscosg350-10p_firmware
𝑥
< 2.3.0.130
ciscosg350-10mp_firmware
𝑥
< 2.3.0.130
ciscosg355-10p_firmware
𝑥
< 2.3.0.130
ciscosg350-28_firmware
𝑥
< 2.3.0.130
ciscosg350-28p_firmware
𝑥
< 2.3.0.130
ciscosg350-28mp_firmware
𝑥
< 2.3.0.130
ciscosf350-48_firmware
𝑥
< 2.3.0.130
ciscosf350-48p_firmware
𝑥
< 2.3.0.130
ciscosf350-48mp_firmware
𝑥
< 2.3.0.130
ciscosg350xg-2f10_firmware
𝑥
< 2.3.0.130
ciscosg350xg-24f_firmware
𝑥
< 2.3.0.130
ciscosg350xg-24t_firmware
𝑥
< 2.3.0.130
ciscosg350xg-48t_firmware
𝑥
< 2.3.0.130
ciscosg350x-24_firmware
𝑥
< 2.3.0.130
ciscosg350x-24p_firmware
𝑥
< 2.3.0.130
ciscosg350x-24mp_firmware
𝑥
< 2.3.0.130
ciscosg350x-48_firmware
𝑥
< 2.3.0.130
ciscosg350x-48p_firmware
𝑥
< 2.3.0.130
ciscosg350x-48mp_firmware
𝑥
< 2.3.0.130
ciscosx550x-16ft_firmware
𝑥
< 2.3.0.130
ciscosx550x-24ft_firmware
𝑥
< 2.3.0.130
ciscosx550x-12f_firmware
𝑥
< 2.3.0.130
ciscosx550x-24f_firmware
𝑥
< 2.3.0.130
ciscosx550x-24_firmware
𝑥
< 2.3.0.130
ciscosx550x-52_firmware
𝑥
< 2.3.0.130
ciscosg550x-24_firmware
𝑥
< 2.3.0.130
ciscosg550x-24p_firmware
𝑥
< 2.3.0.130
ciscosg550x-24mp_firmware
𝑥
< 2.3.0.130
ciscosg550x-24mpp_firmware
𝑥
< 2.3.0.130
ciscosg550x-48_firmware
𝑥
< 2.3.0.130
ciscosg550x-48p_firmware
𝑥
< 2.3.0.130
ciscosg550x-48mp_firmware
𝑥
< 2.3.0.130
ciscosf550x-24_firmware
𝑥
< 2.3.0.130
ciscosf550x-24p_firmware
𝑥
< 2.3.0.130
ciscosf550x-24mp_firmware
𝑥
< 2.3.0.130
ciscosf550x-48_firmware
𝑥
< 2.3.0.130
ciscosf550x-48p_firmware
𝑥
< 2.3.0.130
ciscosf550x-48mp_firmware
𝑥
< 2.3.0.130
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://www.securityfocus.com/bid/100933
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170920-sbms
http://www.securityfocus.com/bid/100933
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170920-sbms