8.4 High
CVSS4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
ACTIVE
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/SC:N/VI:H/SI:N/VA:L/SA:N
7.7 High
AI Score
Confidence
Low
0.0004 Low
EPSS
Percentile
9.1%
Successful exploitation of this vulnerability could allow an attacker to perform remote code execution.
The following versions of AVEVA PI Web API, a RESTful interface to the PI system, are affected:
There is a vulnerability in AVEVA PI Web API that could allow malicious code to execute on the PI Web API environment under the privileges of an interactive user that was socially engineered to use API XML import functionality with content supplied by an attacker.
CVE-2024-3468 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.6 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L).
A CVSS v4 score has also been calculated for CVE-2024-3468. A base score of 8.4 has been calculated; the CVSS vector string is (CVSS4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N).
AVEVA reported this vulnerability to CISA.
AVEVA recommends that organizations evaluate the impact of these vulnerabilities based on their operational environment, architecture, and product implementation. Customers using affected products should apply security updates as soon as possible:
From OSI Soft Customer Portal, search for “PI Web API” and select version “2023 SP1” or later.
(Alternative) PI Web API 2021 SP3 can be fixed by upgrading PI AF Client to one of the versions specified in AVEVA Security Bulletin AVEVA-2024-004 / ICSA-24-163-03
AVEVA further recommends users follow general defensive measures:
For additional information please refer to AVEVA-2024-003
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability, such as:
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 cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.
CISA also recommends users take the following measures to protect themselves from social engineering attacks:
No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-3468
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-3468
cwe.mitre.org/data/definitions/502.html
github.com/cisagov/CSAF
my.osisoft.com/
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=AVEVA%20PI%20Web%20API+https://www.cisa.gov/news-events/ics-advisories/icsa-24-163-02
us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
www.aveva.com/en/support-and-success/cyber-security-updates/
www.cisa.gov/resources-tools/resources/ics-recommended-practices
www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
www.cisa.gov/topics/industrial-control-systems
www.cisa.gov/topics/industrial-control-systems
www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B
www.cisa.gov/uscert/ncas/tips/ST04-014
www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf
www.dhs.gov
www.dhs.gov/foia
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