CVE-2019-18284: siemens sppa-t3000_application_server Improper Authentication

Vulnerability summary

CVE-2019-18284 is a critical (CVSS 9.8) Improper Authentication vulnerability in siemens sppa-t3000_application_server. EPSS estimates a 2.03% chance of exploitation in the next 30 days, higher than 80.6% of scored vulnerabilities.

Timeline

1. 12-12-2019
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability has been identified in SPPA-T3000 Application Server (All versions < Service Pack R8.2 SP2). The AdminService is available without authentication on the Application Server. An attacker can use methods exposed via this interface to receive password hashes of other users and to change user passwords. Please note that an attacker needs to have access to the Application Highway in order to exploit this vulnerability. At the time of advisory publication no public exploitation of this security vulnerability was known.

• CWE-287Improper AuthenticationWhen an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
• CWE-306Missing Authentication for Critical FunctionThe product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.