8.2
HIGH
CVE-2017-12069
"OPC Foundation UA .NET Sample Code and Siemens SIMATIC Products XXE Remote Resource Access Vulnerability"
Description

An XXE vulnerability has been identified in OPC Foundation UA .NET Sample Code before 2017-03-21 and Local Discovery Server (LDS) before 1.03.367. Among the affected products are Siemens SIMATIC PCS7 (All versions V8.1 and earlier), SIMATIC WinCC (All versions < V7.4 SP1), SIMATIC WinCC Runtime Professional (All versions < V14 SP1), SIMATIC NET PC Software, and SIMATIC IT Production Suite. By sending specially crafted packets to the OPC Discovery Server at port 4840/tcp, an attacker might cause the system to access various resources chosen by the attacker.

INFO

Published Date :

Aug. 30, 2017, 7:29 p.m.

Last Modified :

Nov. 21, 2024, 3:08 a.m.

Remotely Exploitable :

Yes !

Impact Score :

4.2

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2017-12069 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.

ID Vendor Product Action
1 Siemens simatic_pcs7
2 Siemens wincc
1 Ocpfoundation local_discovery_server
2 Ocpfoundation ua_.net

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-2017-12069 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-12069 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/100559
    Added Reference http://www.securitytracker.com/id/1039510
    Added Reference https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2017-12069.pdf
    Added Reference https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-535640.pdf
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 06, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1039510 [No Types Assigned]
  • Initial Analysis by [email protected]

    Sep. 14, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:N/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
    Changed Reference Type https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2017-12069.pdf No Types Assigned https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2017-12069.pdf Patch, Vendor Advisory
    Changed Reference Type https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-535640.pdf No Types Assigned https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-535640.pdf Vendor Advisory
    Changed Reference Type http://www.securityfocus.com/bid/100559 No Types Assigned http://www.securityfocus.com/bid/100559 Third Party Advisory, VDB Entry
    Added CWE CWE-611
    Added CPE Configuration OR *cpe:2.3:a:siemens:simatic_pcs7:8.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:siemens:wincc:7.4:*:*:*:*:*:*:* (and previous)
    Added CPE Configuration OR *cpe:2.3:a:ocpfoundation:local_discovery_server:1.01.333.0:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:ocpfoundation:ua_.net:2017-03-21:*:*:*:*:*:*:* (and previous)
  • CVE Modified by [email protected]

    Sep. 02, 2017

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/100559 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-12069 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-2017-12069 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.38 }} -0.20%

score

0.72570

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability