CVE-2016-3949
Siemens SIMATIC S7-300 Profinet DoS Denial of Service
Description
Siemens SIMATIC S7-300 Profinet-enabled CPU devices with firmware before 3.2.12 and SIMATIC S7-300 Profinet-disabled CPU devices with firmware before 3.3.12 allow remote attackers to cause a denial of service (defect-mode transition) via crafted (1) ISO-TSAP or (2) Profibus packets.
INFO
Published Date :
June 27, 2016, 10:59 a.m.
Last Modified :
Feb. 10, 2020, 3:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2016-3949
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2016-3949.
| URL | Resource |
|---|---|
| http://www.securitytracker.com/id/1036089 | Third Party Advisory VDB Entry |
| http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-818183.pdf | Vendor Advisory |
| https://cert-portal.siemens.com/productcert/pdf/ssa-818183.pdf | |
| https://ics-cert.us-cert.gov/advisories/ICSA-16-161-01 | Mitigation Third Party Advisory US Government Resource |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2016-3949 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-3949 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 10, 2020
Action Type Old Value New Value Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-818183.pdf [No Types Assigned] -
Modified Analysis by [email protected]
Aug. 18, 2016
Action Type Old Value New Value Changed CPE Configuration Configuration 1 AND OR cpe:2.3:h:siemens:simatic_s7-300_without_profitnet_support:*:*:*:*:*:*:*:* OR *cpe:2.3:o:siemens:simatic_s7-300_without_profitnet_support_firmware:3.3.11:*:*:*:*:*:*:* Configuration 2 AND OR *cpe:2.3:o:siemens:simatic_s7-300_with_profitnet_support_firmware:3.2.11:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_s7-300_with_profitnet_support:*:*:*:*:*:*:*:* Configuration 1 AND OR *cpe:2.3:o:siemens:simatic_s7-300_with_profitnet_support_firmware:3.2.11:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_s7-300_with_profitnet_support:*:*:*:*:*:*:*:* Configuration 2 AND OR cpe:2.3:h:siemens:simatic_s7-300_without_profitnet_support:*:*:*:*:*:*:*:* OR *cpe:2.3:o:siemens:simatic_s7-300_without_profitnet_support_firmware:3.3.11:*:*:*:*:*:*:* Changed Reference Type http://www.securitytracker.com/id/1036089 No Types Assigned http://www.securitytracker.com/id/1036089 Third Party Advisory, VDB Entry Changed Reference Type https://ics-cert.us-cert.gov/advisories/ICSA-16-161-01 No Types Assigned https://ics-cert.us-cert.gov/advisories/ICSA-16-161-01 Mitigation, Third Party Advisory, US Government Resource -
CVE Modified by [email protected]
Jul. 27, 2016
Action Type Old Value New Value Added Reference https://ics-cert.us-cert.gov/advisories/ICSA-16-161-01 -
CVE Modified by [email protected]
Jul. 26, 2016
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1036089 -
Modified Analysis by [email protected]
Jun. 28, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 AND OR cpe:2.3:h:siemens:simatic_s7-300_without_profitnet_support:*:*:*:*:*:*:*:* OR *cpe:2.3:o:siemens:simatic_s7-300_without_profitnet_support_firmware:3.3.11:*:*:*:*:*:*:* Configuration 2 AND OR *cpe:2.3:o:siemens:simatic_s7-300_with_profitnet_support_firmware:3.2.11:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_s7-300_with_profitnet_support:*:*:*:*:*:*:*:* Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:C) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-818183.pdf No Types Assigned http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-818183.pdf Advisory Added CWE CWE-399 -
Initial Analysis by [email protected]
Jun. 28, 2016
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-3949 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2016-3949
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.42 }} 0.00%
score
0.70023
percentile