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CVE-2026-20123

MEDIUMCVSS 6.1/10EPSS 0.18%

Last modified

CVE-2026-20123 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
0.18%

7.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
CiscoEvolved Programmable Network Manager< 8.1.1—
CiscoPrime Infrastructure<= 3.9—
CiscoPrime Infrastructure>= 3.10, <= 3.10.6—
CiscoPrime Infrastructure3.10.6Update01

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-20123?
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.
How severe is CVE-2026-20123?
CVE-2026-20123 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-20123?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-20123?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST