CVE-2018-0209
HIGHCisco Small Business 500 Series Stackable Managed Switches Firmware - Denial of Service via SNMP Traffic Flood
Title source: llmDescription
A vulnerability in the Simple Network Management Protocol (SNMP) subsystem communication channel through the Cisco 550X Series Stackable Managed Switches could allow an authenticated, remote attacker to cause the device to reload unexpectedly, causing a denial of service (DoS) condition. The device nay need to be manually reloaded to recover. The vulnerability is due to lack of proper input throttling of ingress SNMP traffic over an internal interface. An attacker could exploit this vulnerability by sending a crafted, heavy stream of SNMP traffic to the targeted device. An exploit could allow the attacker to cause the device to reload unexpectedly, causing a DoS condition. Cisco Bug IDs: CSCvg22135.
References (2)
Core 2
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/103406
Vendor Advisory x_refsource_confirm
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180307-550x
Scores
CVSS v3
7.7
EPSS
0.0165
EPSS Percentile
73.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-119
Status
published
Products (2)
cisco/small_business_500_series_stackable_managed_switches_firmware
2.2.5.68
cisco/small_business_500_series_stackable_managed_switches_firmware
2.3.0.130
Published
Mar 08, 2018
Tracked Since
Feb 18, 2026