CVE-2018-0209

HIGH
7.7
CVSS Score
Published: March 8, 2018 at 07:00 AM UTC
Updated: June 17, 2026 at 01:30 AM UTC
21 products affected across 1 vendorSmall Business 500 Series Stackable Managed Switches FirmwareSmall Business 500 Series Managed SwitchesSg500-28P

Using Cisco 550X Series Stackable Managed Switches by N/A?

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Severity
HIGH7.7
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

cisco-sf500-24 (environment) · cisco-sf500-24mp (environment) · cisco-sf500-24p (environment) · cisco-sf500-48 (environment) · cisco-sf500-48mp (environment) · cisco-sf500-48p (environment) · cisco-sg500-28 (environment) · cisco-sg500-28mpp (environment) · cisco-sg500-28p (environment) · cisco-sg500-52 (environment) · cisco-sg500-52mp (environment) · cisco-sg500-52p (environment) · cisco-sg500x-24 (environment) · cisco-sg500x-24mpp (environment) · cisco-sg500x-24p (environment) · cisco-sg500x-48 (environment) · cisco-sg500x-48mp (environment) · cisco-sg500x-48p (environment) · cisco-sg500xg-8f8t (environment)
All versions
All versions
All versions
All versions
All versions
All versions
All versions
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-119NVD-CWE-Other

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