6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
8.8 High
AI Score
Confidence
High
0.226 Low
EPSS
Percentile
96.5%
Successful exploitation of this vulnerability could allow remote code execution or cause a denial of service, resulting in disclosure, deletion, or modification of information.
The following versions of OSIsoft PI SQL Client, a component interface that enables data access via SQL queries to the PI System, are affected:
An attacker could exploit this vulnerability in a third-party component to remotely execute code on the client computer with the same permissions as the PI SQL Client user.
Communication with a malicious PI SQL Data Access Server (RTQP Engine) is needed to expose a PI SQL client to this vulnerability.
CVE-2017-9765 has been assigned to this vulnerability. A CVSS v3 base score of 8.1 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
OSIsoft reported this vulnerability to CISA.
OSIsoft recommends users upgrade to PI SQL Client 2018 R2 or later to resolve this issue. To download PI SQL Client 2018 R2, please access the OSIsoft customer portal (login required).
OSIsoft also provides the following measures to be used to avoid exploitation:
Configure the PI SQL Client OLEDB 2018 Data Link Advanced Properties to use NetTcp (Port 5465) and delete Https/Soap (Port 5464) from the network protocol order.
The following measures can be used to lower the likelihood of exploitation:
The following measures can be used to lower the potential impact of exploitation:
For more information on this vulnerability, please refer to OSIsoft’s security bulletin (login required): OSIsoft releases security update to PI SQL Client 2018
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
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 this vulnerability. High skill level is needed to exploit.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-9765
customers.osisoft.com/s/knowledgearticle?knowledgeArticleUrl=OSIsoft-releases-security-update-to-PI-SQL-Client-2018
cwe.mitre.org/data/definitions/190.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=OSIsoft%20PI%20SQL%20Client+https://www.cisa.gov/news-events/ics-advisories/icsa-19-253-06
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-19-253-06&title=OSIsoft%20PI%20SQL%20Client
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:H/PR:N/UI:N/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-19-253-06
www.oig.dhs.gov/
www.surveymonkey.com/r/CISA-cyber-survey?product=https://www.cisa.gov/news-events/ics-advisories/icsa-19-253-06
www.us-cert.gov/ics
www.us-cert.gov/ics
www.us-cert.gov/ics/alerts/ICS-ALERT-10-301-01
www.us-cert.gov/ics/recommended-practices
www.us-cert.gov/ics/tips/ICS-TIP-12-146-01B
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=OSIsoft%20PI%20SQL%20Client&body=www.cisa.gov/news-events/ics-advisories/icsa-19-253-06
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
8.8 High
AI Score
Confidence
High
0.226 Low
EPSS
Percentile
96.5%