What is CVE-2026-20123?

CVE-2026-20123 is a medium-severity vulnerability in Cisco Evolved Programmable Network Manager (Epnm), classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2026-02-04.

How severe is CVE-2026-20123?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Open Redirect in Cisco Evolved Programmable Network Manager (Epnm)

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 v…

Vulnerability class: Open Redirect

EPSS: 0.000 (9.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Cisco Evolved Programmable Network Manager (Epnm) — versions 7.1.1, 7.1.2.1, 7.1.3
Cisco Prime Infrastructure — versions 3.10.0, 3.10.2, 3.10.3

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

cisco-sa-epnm-pi-redirect-6sX82dN

Frequently asked questions

What is CVE-2026-20123?: CVE-2026-20123 is a medium-severity vulnerability in Cisco Evolved Programmable Network Manager (Epnm), classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2026-02-04.
How severe is CVE-2026-20123?: Medium severity. CVSS v3 base score is 4.3 out of 10.