๐Ÿ” CVE Alert

CVE-2026-20155

HIGH 8.0

Cisco Evolved Programmable Network Manager Improper Authorization Vulnerability

CVSS Score
8.0
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-862
Vendor cisco
Product cisco evolved programmable network manager (epnm)
Ecosystems
Industries
NetworkingTelecommunications
Published Apr 1, 2026
Last Updated Apr 1, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

Cisco / Cisco Evolved Programmable Network Manager (EPNM)
7.1.1 7.1.2.1 7.1.3 7.1.2 7.1.0 8.0.0 8.0.0.1 7.1.3.1 7.1.4 8.1.0 8.1.1 8.0.1 7.1.4.1 8.0.1.1

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
sec.cloudapps.cisco.com: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-epnm-improp-auth-mUwFWUU3