8.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
27.7%
Successful exploitation of these vulnerabilities could allow a malicious attacker to escalate privileges, disclose parameter information in the affected products, and cause a denial-of-service condition.
The following Mitsubishi Electric Factory Automation products are affected:
For the correspondence table of the affected products and each vulnerability, refer to Mitsubishi Electric’s security bulletin.
3.2.1 DEPENDENCY ON VULNERABLE THIRD-PARTY COMPONENT CWE-1395
These vulnerabilities in Intel products could allow a malicious attacker to escalate privileges, disclose parameter information, and cause a denial-of-service condition in Mitsubishi Electric MELIPC, MELSEC iQ-R, and MELSEC Q Series products.
CVE-2020-24489, CVE-2020-8670, CVE-2020-24512, CVE-2021-0146, CVE-2021-0089, CVE-2021-0086, CVE-2021-0127, CVE-2021-33150, CVE-2022-0002 has been assigned to these vulnerabilities. A worst-case CVSS v3 base score of 8.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).
Mitsubishi Electric reported these vulnerabilities to CISA.
Mitsubishi Electric recommends users refer to the following Intel advisories to assist in mitigating these vulnerabilities:
For additional information, refer to Mitsubishi Electric’s bulletin.
Mitsubishi Electric recommends that users take the following mitigation measures to minimize the risk of exploiting these vulnerabilities:
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.
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 these vulnerabilities. These vulnerabilities are not exploitable remotely. These vulnerabilities have a high attack complexity.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-24489
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-24512
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-8670
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-0086
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-0089
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-0127
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-0146
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-33150
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-0002
cisa.gov/ics
cisa.gov/ics
cwe.mitre.org/data/definitions/1395.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=Mitsubishi%20Electric%20Factory%20Automation%20Products+https://www.cisa.gov/news-events/ics-advisories/icsa-23-122-01
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/news-events/news/avoiding-social-engineering-and-phishing-attacks
www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B
www.cisa.gov/uscert/sites/default/files/publications/emailscams_0905.pdf
www.dhs.gov
www.dhs.gov/foia
www.dhs.gov/performance-financial-reports
www.facebook.com/CISA
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www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
www.instagram.com/cisagov
www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00442.html?wapkw=CVE-2020-24489
www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00463.html?wapkw=CVE-2020-8670
www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00464.html?wapkw=CVE-2020-24512
www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00516.html
www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00516.html
www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00528.html
www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00532.html?wapkw=CVE-2021-0127
www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00598.html?wapkw=CVE-2022-0002
www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00609.html?wapkw=CVE-2021-33150
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-23-122-01
www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-001_en.pdf
www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-001_en.pdf
www.oig.dhs.gov/
www.surveymonkey.com/r/CISA-cyber-survey?product=https://www.cisa.gov/news-events/ics-advisories/icsa-23-122-01
www.usa.gov/
www.whitehouse.gov/
www.youtube.com/@cisagov
mailto:?subject=Mitsubishi%20Electric%20Factory%20Automation%20Products&body=www.cisa.gov/news-events/ics-advisories/icsa-23-122-01
8.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
27.7%