Arbitrary file upload in Cisco Evolved Programmable Network Manager (Epnm)

CVE-2025-20287

A vulnerability in the web-based management interface of Cisco Evolved Programmable Network Manager (EPNM) could allow an authenticated, remote attacker to upload arbitrary files to an affected device. This vulnerability is due to improper validation of files that are uploaded to the web-based management interface. An attacker could exploit this vulnerability by sending a crafted file upload request to a specific API endpoint. A successful exploit could allow the attacker to upload arbitrary files to an affected system. To exploit this vulnerability, an attacker must have at least valid Config Managers credentials on the affected device.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.003 (24.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-20287: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-20287?
CVE-2025-20287 is a medium-severity vulnerability in Cisco Evolved Programmable Network Manager (Epnm), classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 4.3/10. Published 2025-09-03.
How severe is CVE-2025-20287?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2025-20287 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.