CVE-2017-9938

MEDIUM

Description

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.

References

http://www.securityfocus.com/bid/99539

https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-804859.pdf

https://www.tenable.com/security/research/tra-2017-34

Details

Source: MITRE

Published: 2017-08-08

Updated: 2017-11-22

Type: CWE-20

Risk Information

CVSS v2.0

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

CVSS v3.0

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

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:siemens:simatic_logon:*:sp3_update_2:*:*:*:*:*:* versions up to 1.5 (inclusive)