CVE-2020-3356

Cisco Data Center Network Manager Stored Cross-Site Scripting Vulnerability

Description

A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) 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 input validation by the web-based management interface. An attacker could exploit this vulnerability by interacting with the interface in a way that injects malicious content in a log file. 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 0.21%
Vendor Advisory cisco.com
Affected: Cisco Cisco Data Center Network Manager
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-stored-xss-eUyGPqxm vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-3356?
CVE-2020-3356 has been scored as a medium severity vulnerability.
How to fix CVE-2020-3356?
To fix CVE-2020-3356, 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-2020-3356 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-3356 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-2020-3356?
CVE-2020-3356 affects Cisco Cisco Data Center Network Manager.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.