Medium4.3Cisco

Medium [CVE-2026-20123] Cisco Evolved Programmable Network Manager and Cisco Prime Infrastructure Open Redirect Vulnerability

This medium-severity Cisco advisory covers CVE-2026-20123 affecting Cisco Prime Infrastructure, Cisco Evolved Programmable Network Manager (EPNM).

cisco-sa-epnm-pi-redirect-6sX82dN Published Feb 4, 2026Updated by vendor Feb 4, 2026

CVE-2026-20123

Affected products & platforms

CiscoManagement

Open vendor advisory

Android app · Google Play

Monitor future Cisco CVEs from your phone.

Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.

Matching phone alertsOptional email delivery

Get CVE alerts See app features

Summary

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. Cisco has released software updates that address this vulnerability.

There ar…

Affected versions

Scope: At the time of publication, this vulnerability affected Cisco EPNM and Cisco Prime Infrastructure, regardless of device configuration.
8.0 and earlier — Migrate to a fixed release
Release 8.1 (first fixed: 8.1.1)
3.9 and earlier — Migrate to a fixed release
Release 3.10 (first fixed: 3.10.6 Security Update 2)

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

8.1.1
3.10.6 Security Update 2

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Upgrade to the first fixed release for your train per the Fixed Releases table in this advisory.
Release 8.0 and earlier: migrate to a fixed release.
Release 8.1: upgrade to 8.1.1.
Release 3.9 and earlier: migrate to a fixed release.
Release 3.10: upgrade to 3.10.6 Security Update 2.

Workaround status

There are no workarounds that address this vulnerability.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Cisco Security Advisories (PSIRT)official
Official vendor feed — the source of truth for this advisory. VulniPulse polled this feed and parsed this entry from it. Discovered from the machine-readable feed https://sec.cloudapps.cisco.com/security/center/psirtrss20/CiscoSecurityAdvisory.xml; this link opens the Cisco advisory index instead of the raw feed document.
Cisco
Vendor advisory pageofficial
Advisory page fetched and parsed to extract affected/fixed versions and mitigation guidance beyond what the feed carries.
Cisco

Cross-references

Validate CVE metadata against the authoritative registries.

CVE-2026-20123NVD CVE.org MITRE

Official resources

Cisco Catalyst Center upgrade guide (target: 8.1.1 / 3.10.6)
Official documentation
This advisory names 8.1.1 / 3.10.6 as the first fixed releases — official upgrade documentation for Cisco Catalyst Center (formerly DNA Center).
Cisco Catalyst Center release notes
Release notes
Release notes for the fixed Catalyst Center version.

Discussion(0)

No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.