MEDIUM
A vulnerability was discovered in Siemens SIMATIC Logon (All versions before V1.6) that could allow specially crafted packets sent to the SIMATIC Logon Remote Access service on port 16389/tcp to cause a Denial-of-Service condition. The service restarts automatically.
http://www.securityfocus.com/bid/99539
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-804859.pdf
Source: MITRE
Published: 2017-08-08
Updated: 2017-11-22
Type: CWE-20
Base Score: 5
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH