CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
86.1%
CVSS v3 9.8
ATTENTION: Exploitable remotely/low skill level to exploit
Vendor: AVEVA Software, LLC (AVEVA)
Equipment: InduSoft Web Studio and InTouch Edge HMI (formerly InTouch Machine Edition)
Vulnerabilities: Missing Authentication for Critical Function, Resource Injection
Successful exploitation of these vulnerabilities could allow a remote attacker to execute an arbitrary process using a specially crafted database connection configuration file.
The following versions of AVEVA products are affected:
3.2.1 MISSING AUTHENTICATION FOR CRITICAL FUNCTION CWE-306
Code is executed under the program runtime privileges, which could lead to the compromise of the machine.
CVE-2019-6543 has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
3.2.2 IMPROPER CONTROL OF RESOURCE IDENTIFIERS (βRESOURCE INJECTIONβ) CWE-99
An unauthenticated remote user could use a specially crafted database connection configuration file to execute an arbitrary process on the server machine.
CVE-2019-6545has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
AVEVA, working with Tenable Research, reported these vulnerabilities to NCCIC.
AVEVA recommends affected users upgrade to the latest version of affected products. The following security updates address the vulnerabilities outlined in this advisory. Software updates can be downloaded from the Global Customer Support βSoftware Downloadβ area or from the links below:
The latest version of InduSoft Web Studio can be found at:
<http://download.indusoft.com/81.3.0/IWS81.3.0.zip>
The latest version of InTouch Edge HMI can be found at (login required): <https://softwaresupportsp.schneider-electric.com/#/producthub/details?id=52354>
For information on how to reach AVEVA support for a specific product, please refer to these links:
AVEVA Software Global Customer Support and InduSoft Support.
For the latest security information and security updates, please visit AVEVAβs Security Central (login required) and InduSoft Security Updates.
AVEVA has published Security Bulletin LFSEC00000133 on their website at the following location: <https://sw.aveva.com/hubfs/assets-2018/pdf/security-bulletin/SecurityBulletin_LFSec133.pdf>
NCCIC recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
NCCIC reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
NCCIC also provides a section for control systems security recommended practices on the ICS-CERT web page. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly available on the ICS-CERT website in the Technical Information Paper, ICS-TIP-12-146-01BβTargeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to NCCIC for tracking and correlation against other incidents.
No known public exploits specifically target these vulnerabilities.
download.indusoft.com/81.3.0/IWS81.3.0.zip
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-6543
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-6545
www.indusoft.com/Products-Downloads/Security-Hotfix-Updates
www.indusoft.com/support
cisasurvey.gov1.qualtrics.com/jfe/form/SV_9n4TtB8uttUPaM6?product=https://www.cisa.gov/news-events/ics-advisories/icsa-19-036-01
cwe.mitre.org/data/definitions/306.html
cwe.mitre.org/data/definitions/99.html
fs-ext.invensys.com/adfs/ls/?wa=wsignin1.0&wtrealm=urn%3asharepoint%3asoftwaresupportsp.se&wctx=https%3a%2f%2fsoftwaresupportsp.schneider-electric.com%2f_layouts%2f15%2fAuthenticate.aspx%3fSource%3d%252F#/securitycentral
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
softwaresupport.aveva.com/
softwaresupportsp.schneider-electric.com/#/producthub/details?id=52354
sw.aveva.com/hubfs/assets-2018/pdf/security-bulletin/SecurityBulletin_LFSec133.pdf
twitter.com/CISAgov
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www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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mailto:?subject=AVEVA%20InduSoft%20Web%20Studio%20and%20InTouch%20Edge%20HMI&body=www.cisa.gov/news-events/ics-advisories/icsa-19-036-01
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
86.1%