CVE-2018-11464: siemens ag sinumerik 828d v4.7, sinumerik 840d sl v4.7, sinumerik 840d sl v4.8 Uncaught Exception

Vulnerability summary

CVE-2018-11464 is a medium (CVSS 4.3) Uncaught Exception vulnerability in siemens ag sinumerik 828d v4.7, sinumerik 840d sl v4.7, sinumerik 840d sl v4.8. EPSS estimates a 1.86% chance of exploitation in the next 30 days, higher than 78.8% of scored vulnerabilities.

Timeline

1. 12-12-2018
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability has been identified in SINUMERIK 828D V4.7 (All versions < V4.7 SP6 HF1), SINUMERIK 840D sl V4.7 (All versions < V4.7 SP6 HF5), SINUMERIK 840D sl V4.8 (All versions < V4.8 SP3). The integrated VNC server on port 5900/tcp of the affected products could allow a remote attacker to cause a Denial-of-Service condition of the VNC server. Please note that this vulnerability is only exploitable if port 5900/tcp is manually opened in the firewall configuration of network port X130. The security vulnerability could be exploited by an attacker with network access to the affected devices and port. Successful exploitation requires no privileges and no user interaction. The vulnerability could allow an attacker to compromise availability of the VNC server. At the time of advisory publication no public exploitation of this security vulnerability was known.

• CWE-248Uncaught ExceptionAn exception is thrown from a function, but it is not caught.