CVE-2020-3420

Cisco Unified Communications Manager Stored Cross-Site Scripting Vulnerability

Description

A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, 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 software. An attacker could exploit this vulnerability by inserting malicious data into a specific data field in the interface. 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.There are no workarounds that address this vulnerability.

Category

5.4
CVSS
Severity: Medium
CVSS 3.0 •
EPSS 0.03%
Affected: Cisco Cisco Unified Communications Manager
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2020-3420?
CVE-2020-3420 has been scored as a medium severity vulnerability.
How to fix CVE-2020-3420?
To fix CVE-2020-3420, 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-2020-3420 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-3420 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-2020-3420?
CVE-2020-3420 affects Cisco Cisco Unified Communications Manager.
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