CVE-2017-9938

CVSS V2 Medium 5 CVSS V3 High 7.5

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.

Overview

CVE ID
CVE-2017-9938

Assigner
productcert@siemens.com

Vulnerability Status
Modified

Published Version
2017-08-08T00:29:00

Last Modified Date
2017-11-22T02:29:04

Weakness Enumerations

CWE	URL
CWE-20	http://cwe.mitre.org/data/definitions/20.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:siemens:simatic_logon::sp3_update_2::::::*	1	OR		1.5

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.0

Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-804859.pdf	Vendor Advisory
http://www.securityfocus.com/bid/99539	Third Party Advisory VDB Entry
https://www.tenable.com/security/research/tra-2017-34

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2017-9938
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9938

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 08:10:55				Added to TrackCVE
2022-12-02 19:30:44	2017-08-08T00:29Z	2017-08-08T00:29:00	CVE Published Date	updated
2022-12-02 19:30:44		2017-11-22T02:29:04	CVE Modified Date	updated
2022-12-02 19:30:44		Modified	Vulnerability Status	updated