Improper Authorization Vulnerability in Cisco Evolved Programmable Network Manager
CVE-2026-20155

8HIGH

Key Information:

Vendor

Cisco
Status
Cisco Evolved Programmable Network Manager (epnm)
Vendor
CVE Published:
1 April 2026

Badges

👾 Exploit Exists

What is CVE-2026-20155?

A vulnerability exists in the web-based management interface of Cisco Evolved Programmable Network Manager that allows an authenticated, remote attacker with low privileges to exploit improper authorization checks on a REST API endpoint. By querying the affected endpoint, the attacker could gain access to sensitive session information of active Cisco EPNM users, including those with administrative privileges, potentially leading to unauthorized control over the affected device.

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Affected Version(s)

Cisco Evolved Programmable Network Manager (EPNM) 7.1.1

Cisco Evolved Programmable Network Manager (EPNM) 7.1.2.1

Cisco Evolved Programmable Network Manager (EPNM) 7.1.3

References

https://sec.cloudapps.cisco.com/security/center/content/C...

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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