TippingPoint Zero Day Initiative

IBM System Networking Switch Center DB Service Remote Elevation of Privilege Vulnerability

ZDI-15-552: November 10th, 2015


CVSS Score

Affected Vendors

Affected Products

    System Networking Switch Center

Vulnerability Details

This vulnerability allows remote attackers to disclose information on vulnerable installations of IBM System Networking Switch Center. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the IBM SNSC DB Service, that listens by default on port 40999. This service allows an unauthenticated user to obtain the account details for the SNSC Administrator, including the password. The password is stored using reversible encryption, and both the key and salt are static. An attacker can use this information to obtain the plaintext password for the SNSC Administrator or any other known account.

Vendor Response

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

Disclosure Timeline

    2015-06-25 - Vulnerability reported to vendor
    2015-11-10 - Coordinated public release of advisory


This vulnerability was discovered by: