7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
36.5%
Successful exploitation of this vulnerability may allow arbitrary code execution or loss of control of the SCADA system.
Schneider Electric reports this vulnerability affects the following IGSS (Interactive Graphical SCADA System) products:
3.2.1 DESERIALIZATION OF UNTRUSTED DATA CWE-502
A deserialization of untrusted data vulnerability exists in the Dashboard module that could cause an interpretation of malicious payload data, potentially leading to arbitrary code execution when an attacker gets the user to open a malicious file.
CVE-2023-3001 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).
Sina Kheirkhah (@SinSinology) of Summoning Team (@SummoningTeam) working with Trend Micro Zero Day Initiative reported this vulnerability to Schneider Electric and CISA.
Schneider Electric has provided version 16.0.0.23131 of Dashboard to address these vulnerabilities. The update is available for download through IGSS Master > Update IGSS Software or from the Schneider Electric support page.
If users choose not to apply the remediation provided above, they should immediately apply the following mitigations to reduce the risk of exploit:
For more information, see the Schneider Electric security notification SEVD-2023-164-02.
Schneider Electric recommends the following industry cybersecurity best practices.
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. 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 at 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.
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 exploits specifically target this vulnerability. This vulnerability is not exploitable remotely. This vulnerability has low attack complexity.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-3001
cisa.gov/ics
cisa.gov/ics
cwe.mitre.org/data/definitions/502.html
download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-164-02&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-164-02.pdf
igss.schneider-electric.com/Files/Doc-Help/Security%20Guideline.pdf
igss.schneider-electric.com/igss/igssupdates/v160/IGSSUPDATE.ZIP
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
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us-cert.cisa.gov/ics/Recommended-Practices
us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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/emailscams_0905.pdf
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