10 High
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
9.8 High
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
9.9 High
AI Score
Confidence
High
0.006 Low
EPSS
Percentile
78.2%
Successful exploitation of these vulnerabilities could allow an unauthenticated, remote attacker to execute arbitrary code on the targeted system.
Schneider Electric reports these vulnerabilities affect the following ProClima building and automation control products:
A code injection vulnerability could allow an unauthenticated, remote attacker to execute arbitrary code on the targeted system.
CVE-2019-6823 has been assigned to this vulnerability. A CVSS v3 base score of 8.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
A buffer error vulnerability could allow an unauthenticated, remote attacker to execute arbitrary code on the targeted system.
CVE-2019-6824 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).
An uncontrolled search path element vulnerability could allow a malicious DLL file with the same name of any resident DLLs inside the software installation to execute arbitrary code.
CVE-2019-6825 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
Haojun Hou reported a vulnerability to CISA. Kushal Arvind Shah of Fortinet,Yongjun Liu of NSFOCUS security team, and Telus reported vulnerabilities to Schneider Electric.
Schneider Electric has released Version 8.0.0 of ProClima and recommends users upgrade to this version or newer. Users may find the new version at the following location on the Schneider Electric website:
<https://www.schneider-electric.com/en/product-range-download/2560-proclima/#tabs-top>
For more information on these vulnerabilities and the associated upgrade, please see Schneider Electric’s SEVD-2019-162-01:
<https://www.schneider-electric.com/en/download/document/SEVD-2019-162-01/>
Schneider Electric recommends the following best cybersecurity practices for industry:
For further information related to cybersecurity in Schneider Electric’s products, please visit the company’s cybersecurity webpage:
<http://www2.schneider-electric.com/sites/corporate/en/support/cybersecurity/cybersecurity.page>
If you require additional support, Schneider Electric Industrial Cybersecurity Services team is available to help. Please visit:
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
CISA also recommends users take the following measures to protect themselves from social engineering attacks:
CISA also provides a section for control systems security recommended practices on the ICS webpage on us-cert.gov. 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 webpage on us-cert.gov in the Technical Information Paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.
No known public exploits specifically target these vulnerabilities.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-6823
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-6824
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-6825
www2.schneider-electric.com/sites/corporate/en/support/cybersecurity/cybersecurity.page
cwe.mitre.org/data/definitions/119.html
cwe.mitre.org/data/definitions/427.html
cwe.mitre.org/data/definitions/94.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=Schneider%20Electric%20ProClima+https://www.cisa.gov/news-events/ics-advisories/icsa-19-295-01
www.dhs.gov
www.dhs.gov/foia
www.dhs.gov/performance-financial-reports
www.facebook.com/CISA
www.facebook.com/sharer/sharer.php?u=https://www.cisa.gov/news-events/ics-advisories/icsa-19-295-01&title=Schneider%20Electric%20ProClima
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
www.instagram.com/cisagov
www.linkedin.com/company/cybersecurity-and-infrastructure-security-agency
www.linkedin.com/sharing/share-offsite/?url=https://www.cisa.gov/news-events/ics-advisories/icsa-19-295-01
www.oig.dhs.gov/
www.schneider-electric.com/en/download/document/SEVD-2019-162-01/
www.schneider-electric.com/en/product-range-download/2560-proclima/#tabs-top
www.schneider-electric.com/en/work/services/field-services/industrial-automation/industrial-cybersecurity/industrial-cybersecurity.jsp
www.surveymonkey.com/r/CISA-cyber-survey?product=https://www.cisa.gov/news-events/ics-advisories/icsa-19-295-01
www.us-cert.gov/ics
www.us-cert.gov/ics
www.us-cert.gov/ics/recommended-practices
www.us-cert.gov/ics/tips/ICS-TIP-12-146-01B
www.us-cert.gov/ncas/tips/ST04-014
www.us-cert.gov/sites/default/files/publications/emailscams_0905.pdf
www.us-cert.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
www.usa.gov/
www.whitehouse.gov/
www.youtube.com/@cisagov
mailto:?subject=Schneider%20Electric%20ProClima&body=www.cisa.gov/news-events/ics-advisories/icsa-19-295-01
10 High
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
9.8 High
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
9.9 High
AI Score
Confidence
High
0.006 Low
EPSS
Percentile
78.2%