CVE-2020-3121

Cisco Small Business Smart and Managed Switches Cross-Site Scripting Vulnerability

Description

A vulnerability in the web-based management interface of Cisco Small Business Smart and Managed Switches could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of the affected device. An attacker could exploit this vulnerability by persuading a user of the interface to click a malicious link and access a specific page. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.32%
Vendor Advisory cisco.com
Affected: Cisco Cisco 550X Series Stackable Managed Switches
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200122-sbsms-xss vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-3121?
CVE-2020-3121 has been scored as a medium severity vulnerability.
How to fix CVE-2020-3121?
To fix CVE-2020-3121, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-3121 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-3121 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-3121?
CVE-2020-3121 affects Cisco Cisco 550X Series Stackable Managed Switches.
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