---
id: "CVE-2015-0666"
kind: "vulnerability"
aliases: ["CVE-2015-0666"]
title: "Cisco Prime Data Center Network Manager (DCNM): Cisco Prime Data Center Network Manager (DCNM) Directory Traversal Vulnerability"
severity: "high"
cvss: 7.8
epss: 0.40379
exploited: true
status: "open"
category: "infrastructure"
products: [{"name": "Cisco Prime Data Center Network Manager (DCNM)", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["cisco", "exploited", "infrastructure", "prime-dcnm", "self-hosted"]
not_affected_if: ["unknown"]
published_at: "2015-04-03T10:59:04+00:00"
first_seen_at: "2026-10-23T19:11:52+00:00"
updated_at: "2026-10-23T21:57:35+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2015-0666", "first_seen_at": "2026-10-23T19:11:52+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2015-0666", "first_seen_at": "2026-10-23T19:13:44+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-0666", "first_seen_at": "2026-10-23T21:57:35+00:00"}]
---

# Cisco Prime Data Center Network Manager (DCNM): Cisco Prime Data Center Network Manager (DCNM) Directory Traversal Vulnerability

Cisco Prime Data Center Network Manager has a directory traversal flaw in its fmserver servlet. A remote attacker can read arbitrary files on the server.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Cisco Prime Data Center Network Manager (DCNM) affected ? fixed ?

## Fix

Apply the Cisco updates for Prime DCNM per vendor instructions; the sources do not name a fixed version.

## Timeline

- 2026-10-23T19:11:52+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2015-0666
- 2026-10-23T19:13:44+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2015-0666
- 2026-10-23T21:57:35+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2015-0666

## From the sources

Directory traversal vulnerability in the fmserver servlet in Cisco Prime Data Center Network Manager (DCNM) allows remote attackers to read arbitrary files.

CISA required action: Apply updates per vendor instructions.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_