CVE-2020-3420: Cisco Unified Communications Manager Stored Cross-Site Scripting Vulnerability
First published: Mon Nov 18 2024(Updated: )
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.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Unified Communications Manager Session Management Edition | ||
| Cisco Unified Communications Manager Session Management Edition |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2020-3420?
CVE-2020-3420 is rated as a medium severity vulnerability due to its potential impact on web-based management interfaces.
How do I fix CVE-2020-3420?
To mitigate CVE-2020-3420, apply the security patches released by Cisco for the affected products.
Who is affected by CVE-2020-3420?
CVE-2020-3420 affects users of Cisco Unified Communications Manager and Cisco Unified Communications Manager Session Management Edition.
What kind of attack can be executed through CVE-2020-3420?
CVE-2020-3420 allows an authenticated attacker to conduct cross-site scripting (XSS) attacks.
Can CVE-2020-3420 be exploited remotely?
Yes, CVE-2020-3420 can be exploited by an authenticated remote attacker.
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