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Evolved Programmable Network ManagerApplication · Cisco

CVE-2019-1818

MEDIUM · 6.5 CVSS v3.1 Published 2019-05-16
Fix available
A fix is available. Upgrade to 3.0.1 / 3.4 or later.
See remediation →
71/100
Remediation priority · Elevated
Remotely reachable Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A vulnerability in the web-based management interface of Cisco Prime Infrastructure and Cisco Evolved Programmable Network (EPN) Manager software could allow an authenticated, remote attacker to download and view files within the application that should be restricted. This vulnerability is due to improper sanitization of user-supplied input in HTTP request parameters that describe filenames. An attacker could exploit this vulnerability by using directory traversal techniques to submit a path to a desired file location. A successful exploit could allow the attacker to view application files that may contain sensitive information.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

A path traversal vulnerability in the web-based management interface of Cisco Prime Infrastructure and Cisco Evolved Programmable Network (EPN) Manager allows authenticated remote attackers to access restricted files by submitting directory traversal sequences (e.g., ../../../) in HTTP request parameters that describe filenames. This could expose sensitive application files including configuration data, credentials, or other internal documents.

MitigationApply the vendor security updates/patches released by Cisco for this vulnerability. Until patched, restrict network access to the management interface to trusted personnel only and implement web application firewall rules to detect and block path traversal patterns in HTTP requests.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Evolved Programmable Network ManagerApplication
Affected:< 3.0.1
Prime InfrastructureApplication
Affected:< 3.4

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify if Cisco EPN Manager or Prime Infrastructure is installed
    Check for the presence of installation directories (typically /opt/CSCOlumos or /opt/cpi) or look for processes named 'EPN Manager' or 'Prime Infrastructure' running on the system. On Linux, run: ps aux | grep -i 'cisco\|epn\|prime' or check /opt for CSCO or pi directories.
    Affected if The product is present on the system and matches one of the affected product lines.
  2. Determine the installed version of Cisco EPN Manager
    Check the version by examining the file /opt/CSCOlumos/version.txt or by accessing the web login page which often displays the version. You can also check via CLI if available: show version or check the About page in the web interface.
    Affected if The installed version is lower than 3.0.1.
  3. Determine the installed version of Cisco Prime Infrastructure
    Check the version by examining the file /opt/cpi/Version.xml or access the web login page which typically displays the version in the footer. You can also check via CLI: show version or admin:showVersion.
    Affected if The installed version is lower than 3.4.
  4. Verify if the web-based management interface is enabled and accessible
    Check if the web service is running by examining listening ports (typically 443, 8443, or 8080). Run: netstat -tlnp | grep -E '443\|8443\|8080' or check if the service process is running.
    Affected if The web management interface is active and reachable on the network.
  5. Review HTTP access logs for directory traversal patterns
    Examine web server access logs (typically in /opt/CSCOlumos/logs or /opt/cpi/logs) for unusual request patterns containing '../' sequences in parameters, such as: grep -r '\.\./' /opt/*/logs/*access* or search for '..%2F' URL-encoded traversal patterns.
    Affected if Logs show directory traversal attempts targeting sensitive file paths.

You are affected if either Cisco EPN Manager below version 3.0.1 or Cisco Prime Infrastructure below version 3.4 is installed and its web-based management interface is accessible to untrusted users.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Upgrade available Upgrade to 3.0.1 / 3.4 or later
Fixed in 3.0.13.4
Interim mitigation

Apply the vendor security updates/patches released by Cisco for this vulnerability. Until patched, restrict network access to the management interface to trusted personnel only and implement web application firewall rules to detect and block path traversal patterns in HTTP requests.

Fix this in Evolved Programmable Network Manager Scoped from the published advisory
  • Consultation3.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA2.0 h
12.0 hours of engineering $2,130
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,408.

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2019-1818 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data