CVE-2026-20123: Cisco Prime Infrastructure and Evolved Programmable Network Manager Open Redirect Vulnerability

Published Feb 4, 2026
·
Updated

A vulnerability in the web-based management interface of Cisco Evolved Programmable Network Manager (EPNM) and Cisco Prime Infrastructure could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due to improper input validation of the parameters in the HTTP request. An attacker could exploit this vulnerability by intercepting and modifying an HTTP request from a user. A successful exploit could allow the attacker to redirect the user to a malicious web page.

Affected Software

6 affected components
Cisco Evolved Programmable Network Manager
Cisco Prime Infrastructure
Cisco Evolved Programmable Network Manager<8.1.1
Cisco Prime Infrastructure<3.10.6
Cisco Prime Infrastructure=3.10.6
Cisco Prime Infrastructure=3.10.6-security_update_01

Event History

Feb 4, 2026
CVE Published
via MITRE·04:11 PM
Data Sourced
via MITRE·04:11 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-20123?

CVE-2026-20123 is rated as a medium severity vulnerability due to its potential for unauthenticated remote exploitation.

2

How do I fix CVE-2026-20123?

To fix CVE-2026-20123, apply the latest security updates provided by Cisco for both Evolved Programmable Network Manager and Prime Infrastructure.

3

What products are affected by CVE-2026-20123?

CVE-2026-20123 affects Cisco Evolved Programmable Network Manager and Cisco Prime Infrastructure.

4

What type of attack does CVE-2026-20123 enable?

CVE-2026-20123 enables an unauthenticated remote attacker to perform open redirect attacks through the web-based management interface.

5

Is CVE-2026-20123 actively exploited in the wild?

As of now, there is no specific information indicating that CVE-2026-20123 is actively exploited in the wild, but it is recommended to remediate this vulnerability as a precaution.

Contact

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