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
0.002 Low
EPSS
Percentile
53.7%
Successful exploitation of this vulnerability could allow arbitrary code execution or loss of sensitive information if a user opens a specially crafted CX-P file.
The following versions of CX-Programmer, part of a software automation suite, are affected:
CX-Programmer is vulnerable to a Out-of-bounds Write when a user opens a specially crafted CXP file. This could cause a loss of sensitive information or arbitrary code execution.
CVE-2022-43509 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been assigned; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
Xinali, working with Trend Mircoβs Zero Day Initiative, reported this vulnerability to CISA. Michael Heinzl reported this vulnerability to JPCERT/CC.
Omron released an update via βAuto Update Serviceβ to fix the reported issues. Omron recommends updating to Omron CX-Programmer v9.79
For more information, see the Omron release notes.
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 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-12-146-01BβTargeted 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:
This vulnerability is not exploitable remotely.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-43509
cisa.gov/ics
cisa.gov/ics
cwe.mitre.org/data/definitions/787.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=Omron%20CX-Programmer+https://www.cisa.gov/news-events/ics-advisories/icsa-22-356-04
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/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/emailscams_0905.pdf
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www.dhs.gov/foia
www.dhs.gov/performance-financial-reports
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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.ia.omron.com/product/tool/26/cxone/e4_doc.html?_ga=2.122882383.558156545.1661312515-1562293325.1567412774#cx_programmer
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