Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2017-9938

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.

Published

2017-08-08T00:29:00.353

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-787
Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	siemens	simatic_logon	≤ 1.5	Yes

References

http://www.securityfocus.com/bid/99539 Third Party Advisory, VDB Entry ([email protected])
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-804859.pdf Vendor Advisory ([email protected])
https://www.tenable.com/security/research/tra-2017-34 ([email protected])
http://www.securityfocus.com/bid/99539 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-804859.pdf Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.tenable.com/security/research/tra-2017-34 (af854a3a-2127-422b-91ae-364da2661108)