CVE-2026-20075
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Vulnerability report for CVE-2026-20075, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-01-15

Last updated on: 2026-01-15

Assigner: Cisco Systems, Inc.

Description

A vulnerability in the web-based management interface of Cisco Evolved Programmable Network Manager (EPNM) and Cisco Prime Infrastructure could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against users of the interface of an affected system. This vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by inserting malicious code into specific data fields 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. To exploit this vulnerability, an attacker must have valid administrative credentials.

CVSS Scores

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Meta Information

Published
2026-01-15
Last Modified
2026-01-15
Generated
2026-07-06
AI Q&A
2026-01-16
EPSS Evaluated
2026-07-05
NVD
EUVD

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
cisco evolved_programmable_network_manager *
cisco prime_infrastructure *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

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Executive Summary

This vulnerability is a stored cross-site scripting (XSS) issue in the web-based management interface of Cisco Evolved Programmable Network Manager (EPNM) and Cisco Prime Infrastructure. It occurs because the interface does not properly validate user-supplied input, allowing an authenticated remote attacker with valid administrative credentials to insert malicious code into specific data fields. This malicious code can then execute arbitrary scripts in the context of the affected interface or access sensitive browser-based information.

Impact Analysis

If exploited, this vulnerability could allow an attacker to execute arbitrary script code within the management interface, potentially leading to unauthorized actions or access to sensitive information available in the browser context. Since the attacker needs valid administrative credentials, the impact is limited to users with such access, but it could still compromise the integrity and confidentiality of the management system.

Mitigation Strategies

To mitigate this vulnerability, ensure that only trusted administrators have access to the web-based management interface, as exploitation requires valid administrative credentials. Additionally, monitor and restrict input fields in the interface to prevent insertion of malicious scripts. Applying any available patches or updates from Cisco for EPNM and Prime Infrastructure is recommended once released.

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