What is CVE-2026-20155?

CVE-2026-20155 is a high-severity vulnerability in Cisco Evolved Programmable Network Manager (Epnm), classified under Missing Authorization. CVSS score: 8.0/10. Published 2026-04-01.

How severe is CVE-2026-20155?

High severity. CVSS v3 base score is 8.0 out of 10.

Auth bypass in Cisco Evolved Programmable Network Manager (Epnm)

CVE-2026-20155

A vulnerability in the web-based management interface of Cisco Evolved Programmable Network Manager (EPNM) could allow an authenticated, remote attacker with low privileges to access sensitive information that they are not authorized to ac…

Vulnerability class: Broken Access Control

EPSS: 0.001 (32.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Cisco Evolved Programmable Network Manager (Epnm) — versions 7.1.1, 7.1.2.1, 7.1.3

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

cisco-sa-epnm-improp-auth-mUwFWUU3

Frequently asked questions

What is CVE-2026-20155?: CVE-2026-20155 is a high-severity vulnerability in Cisco Evolved Programmable Network Manager (Epnm), classified under Missing Authorization. CVSS score: 8.0/10. Published 2026-04-01.
How severe is CVE-2026-20155?: High severity. CVSS v3 base score is 8.0 out of 10.