TippingPoint Zero Day Initiative

Cisco License Manager Server ReportCSV Directory Traversal Information Disclosure Vulnerability

ZDI-17-837: October 4th, 2017


CVSS Score

Affected Vendors

Affected Products

    License Manager Server

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 27807. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Cisco License Manager Server. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the ReportCSV servlet, which listens on TCP port 8080 by default. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to read any files accessible to the SYSTEM user.

Vendor Response

Cisco has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2017-03-30 - Vulnerability reported to vendor
    2017-10-04 - Coordinated public release of advisory


This vulnerability was discovered by: