Vulnerability · Published Apr 1, 2026 · Assigned by cisco
CVE-2026-20155Cisco Evolved Programmable Network Manager Improper Authorization Vulnerability
High 8.0
In plain English
A high-severity missing authorization in Cisco Evolved Programmable Network Manager (EPNM) from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Official description
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 access. This vulnerability is due to improper authorization checks on a REST API endpoint of an affected device. An attacker could exploit this vulnerability by querying the affected endpoint. A successful exploit could allow the attacker to view session information of active Cisco EPNM users, including users with administrative privileges, which could result in the affected device being compromised.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Evolved Programmable Network Manager (EPNM) | 7.1.17.1.2.17.1.37.1.27.1.08.0.08.0.0.17.1.3.1 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H