icsa-23-017-02
Vulnerability from csaf_cisa
Published
2023-01-17 00:00
Modified
2023-01-27 00:00
Summary
Mitsubishi Electric MELSEC iQ-F, iQ-R Series
Notes
CISA Disclaimer
This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov
Product Notice
These products are available in limited regions.
Legal Notice
All information products included in https://us-cert.cisa.gov/ics are provided "as is" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see https://us-cert.cisa.gov/tlp/.
Update Summary
This updated advisory is a follow-up to the original advisory titled ICSA-23-017-02 Mitsubishi Electric MELSEC iQ-F, iQ-R Series (Update A) that was published January 17, 2023, on the ICS webpage on cisa.gov/ICS.
Risk evaluation
Successful exploitation of this vulnerability could allow an attacker to access the WEB server function by guessing the random numbers used for authentication.
Critical infrastructure sectors
Critical Manufacturing
Countries/areas deployed
Worldwide
Company headquarters location
Japan
Recommended Practices
CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities.
Recommended Practices
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
Recommended Practices
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.
Recommended Practices
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.
Recommended Practices
Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.
Recommended Practices
CISA also recommends users take the following measures to protect themselves from social engineering attacks: Do not click web links or open unsolicited attachments in email messages; Refer to Recognizing and Avoiding Email Scams (https://us-cert.cisa.gov/sites/default/files/publications/emailscams_0905.pdf) for more information on avoiding email scams; Refer to Avoiding Social Engineering and Phishing Attacks (https://us-cert.cisa.gov/ncas/tips/ST04-014) for more information on social engineering attacks.
Recommended Practices
Do not click web links or open attachments in unsolicited email messages.
Recommended Practices
Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.
Recommended Practices
Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.
Recommended Practices
No known public exploits specifically target this vulnerability. This vulnerability has a high attack complexity.
{ "document": { "acknowledgments": [ { "names": [ "Matt Wiseman" ], "organization": "Cisco Talos", "summary": "reporting this vulnerability to Mitsubishi Electric" } ], "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Disclosure is not limited", "tlp": { "label": "WHITE", "url": "https://us-cert.cisa.gov/tlp/" } }, "lang": "en-US", "notes": [ { "category": "general", "text": "This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov", "title": "CISA Disclaimer" }, { "category": "summary", "text": "These products are available in limited regions.", "title": "Product Notice" }, { "category": "legal_disclaimer", "text": "All information products included in https://us-cert.cisa.gov/ics are provided \"as is\" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see https://us-cert.cisa.gov/tlp/.", "title": "Legal Notice" }, { "category": "summary", "text": "This updated advisory is a follow-up to the original advisory titled ICSA-23-017-02 Mitsubishi Electric MELSEC iQ-F, iQ-R Series (Update A) that was published January 17, 2023, on the ICS webpage on cisa.gov/ICS.", "title": "Update Summary" }, { "category": "summary", "text": "Successful exploitation of this vulnerability could allow an attacker to access the WEB server function by guessing the random numbers used for authentication.", "title": "Risk evaluation" }, { "category": "other", "text": "Critical Manufacturing", "title": "Critical infrastructure sectors" }, { "category": "other", "text": "Worldwide", "title": "Countries/areas deployed" }, { "category": "other", "text": "Japan", "title": "Company headquarters location" }, { "category": "general", "text": "CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities.", "title": "Recommended Practices" }, { "category": "general", "text": "CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.", "title": "Recommended Practices" }, { "category": "general", "text": "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.", "title": "Recommended Practices" }, { "category": "general", "text": "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.", "title": "Recommended Practices" }, { "category": "general", "text": "Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.", "title": "Recommended Practices" }, { "category": "general", "text": "CISA also recommends users take the following measures to protect themselves from social engineering attacks: Do not click web links or open unsolicited attachments in email messages; Refer to Recognizing and Avoiding Email Scams (https://us-cert.cisa.gov/sites/default/files/publications/emailscams_0905.pdf) for more information on avoiding email scams; Refer to Avoiding Social Engineering and Phishing Attacks (https://us-cert.cisa.gov/ncas/tips/ST04-014) for more information on social engineering attacks.", "title": "Recommended Practices" }, { "category": "general", "text": "Do not click web links or open attachments in unsolicited email messages.", "title": "Recommended Practices" }, { "category": "general", "text": "Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.", "title": "Recommended Practices" }, { "category": "general", "text": "Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.", "title": "Recommended Practices" }, { "category": "general", "text": "No known public exploits specifically target this vulnerability. This vulnerability has a high attack complexity.", "title": "Recommended Practices" } ], "publisher": { "category": "coordinator", "contact_details": "Email: CISAservicedesk@cisa.dhs.gov;\n Toll Free: 1-888-282-0870", "name": "CISA", "namespace": "https://www.cisa.gov/" }, "references": [ { "category": "self", "summary": "ICS Advisory ICSA-23-017-02 JSON", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2023/icsa-23-017-02.json" }, { "category": "self", "summary": "ICS Advisory ICSA-23-017-02 Web Version", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-017-02" }, { "category": "external", "summary": "Recommended Practices", "url": "https://us-cert.cisa.gov/ics/Recommended-Practices" }, { "category": "external", "summary": "Recommended Practices", "url": "https://cisa.gov/ics" }, { "category": "external", "summary": "Recommended Practices", "url": "https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf" }, { "category": "external", "summary": "Recommended Practices", "url": "https://www.cisa.gov/uscert/ncas/tips/ST04-014" } ], "title": "Mitsubishi Electric MELSEC iQ-F, iQ-R Series", "tracking": { "current_release_date": "2023-01-27T00:00:00.000000Z", "generator": { "engine": { "name": "CISA CSAF Generator", "version": "1.0.0" } }, "id": "ICSA-23-017-02", "initial_release_date": "2023-01-17T00:00:00.000000Z", "revision_history": [ { "date": "2023-01-17T00:00:00.000000Z", "legacy_version": "Initial", "number": "1", "summary": "Mitsubishi Electric MELSEC iQ-F, iQ-R Series (Update A)" }, { "date": "2023-01-27T00:00:00.000000Z", "legacy_version": "A", "number": "2", "summary": "Mitsubishi Electric MELSEC iQ-F, iQ-R Series (Update A)" } ], "status": "final", "version": "2" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "\u003c= 1.280", "product": { "name": "MELSEC iQ-F and iQ-R Series products: FX5U-xMy/z x=32,64,80, y=T,R, z=ES,DS,ESS,DSS: Versions 1.280 and prior", "product_id": "CSAFPID-0001" } } ], "category": "product_name", "name": "FX5U-xMy/z x=32,64,80, y=T,R, z=ES,DS,ESS,DSS" }, { "branches": [ { "category": "product_version_range", "name": "\u003c= 1.280", "product": { "name": "MELSEC iQ-F and iQ-R Series products: FX5UC-xMy/z x=32,64,96 y=T, z=D,DSS: Versions 1.280 and prior", "product_id": "CSAFPID-0002" } } ], "category": "product_name", "name": "FX5UC-xMy/z x=32,64,96 y=T, z=D,DSS" }, { "branches": [ { "category": "product_version_range", "name": "\u003c= 1.074", "product": { "name": "MELSEC iQ-F and iQ-R Series products: FX5U-xMy/z x=32,64,80, y=T,R, z=ES,DS,ESS,DSS: Versions 1.074 and prior", "product_id": "CSAFPID-0003" } } ], "category": "product_name", "name": "FX5U-xMy/z x=32,64,80, y=T,R, z=ES,DS,ESS,DSS" }, { "branches": [ { "category": "product_version_range", "name": "\u003c= 1.074", "product": { "name": "MELSEC iQ-F and iQ-R Series products: FX5UC-xMy/z x=32,64,96 y=T, z=D,DSS: Versions 1.074 and prior", "product_id": "CSAFPID-0004" } } ], "category": "product_name", "name": "FX5UC-xMy/z x=32,64,96 y=T, z=D,DSS" }, { "branches": [ { "category": "product_version_range", "name": "\u003c= 1.280", "product": { "name": "MELSEC iQ-F and iQ-R Series products: MELSEC iQ-F Series FX5UC-32MT/DS-TS, FX5UC-32MT/DSS-TS, FX5UC-32MR/DS-TS: Versions 1.280 and prior", "product_id": "CSAFPID-0005" } } ], "category": "product_name", "name": "MELSEC iQ-F Series FX5UC-32MT/DS-TS, FX5UC-32MT/DSS-TS, FX5UC-32MR/DS-TS" }, { "branches": [ { "category": "product_version_range", "name": "\u003c= 1.042", "product": { "name": "MELSEC iQ-F and iQ-R Series products: FX5UJ-xMy/z x=24,40,60, y=T,R, z=ES,ESS: Versions 1.042 and prior", "product_id": "CSAFPID-0006" } } ], "category": "product_name", "name": "FX5UJ-xMy/z x=24,40,60, y=T,R, z=ES,ESS" }, { "branches": [ { "category": "product_version_range", "name": "\u003c= 1.043", "product": { "name": "MELSEC iQ-F and iQ-R Series products: FX5UJ-xMy/ES-A* x=24,40,60, y=T,R: Versions 1.043 and prior", "product_id": "CSAFPID-0007" } } ], "category": "product_name", "name": "FX5UJ-xMy/ES-A* x=24,40,60, y=T,R" }, { "branches": [ { "category": "product_version_range", "name": "\u003c= 1.003", "product": { "name": "MELSEC iQ-F and iQ-R Series products: FX5S-xMy/z* x=30,40,60,80, y=T,R, z=ES,ESS: Versions 1.003 and prior", "product_id": "CSAFPID-0008" } } ], "category": "product_name", "name": "FX5S-xMy/z* x=30,40,60,80, y=T,R, z=ES,ESS" }, { "branches": [ { "category": "product_version_range", "name": "\u003c= 33", "product": { "name": "MELSEC iQ-F and iQ-R Series products: MELSEC iQ-R Series R00/01/02CPU: Versions 33 and prior", "product_id": "CSAFPID-0009" } } ], "category": "product_name", "name": "MELSEC iQ-R Series R00/01/02CPU" }, { "branches": [ { "category": "product_version_range", "name": "\u003c= 66", "product": { "name": "MELSEC iQ-F and iQ-R Series products: MELSEC iQ-R Series R04/08/16/32/120(EN)CPU: Versions 66 and prior", "product_id": "CSAFPID-00010" } } ], "category": "product_name", "name": "MELSEC iQ-R Series R04/08/16/32/120(EN)CPU" } ], "category": "vendor", "name": "Mitsubishi Electric" } ] }, "vulnerabilities": [ { "cve": "CVE-2022-40267", "cwe": { "id": "CWE-337", "name": "Predictable Seed in Pseudo-Random Number Generator (PRNG)" }, "notes": [ { "category": "summary", "text": "Mitsubishi Electric MELSEC iQ-F and iQ-R Series products both contain an authentication bypass vulnerability in the WEB server function due to predictable seed in the pseudo-random number generator. CVE-2022-40267 has been assigned to this vulnerability. A CVSS v3 base score of 5.9 has been assigned; the CVSS vector string is (AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).", "title": "Vulnerability Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ] }, "references": [ { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-40267" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N" } ], "remediations": [ { "category": "mitigation", "details": "MELSEC iQ-F Series with serial number 17X**** or later: FX5U-xMy/z x=32,64,80, y=T,R, z=ES,DS,ESS,DSS: Update to v1.281 or later FX5UC-xMy/z x=32,64,96 y=T, z=D,DSS: Update to v1.281 or later", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ], "url": "https://www.mitsubishielectric.com/fa/download/index.html" }, { "category": "mitigation", "details": "FX5U-xMy/z x=32,64,80, y=T,R, z=ES,DS,ESS,DSS: Update to v1.281 or later", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ], "url": "https://www.mitsubishielectric.com/fa/download/index.html" }, { "category": "mitigation", "details": "FX5UC-xMy/z x=32,64,96 y=T, z=D,DSS: Update to v1.281 or later", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ], "url": "https://www.mitsubishielectric.com/fa/download/index.html" }, { "category": "mitigation", "details": "MELSEC iQ-F Series with serial number 179**** and prior: FX5U-xMy/z x=32,64,80, y=T,R, z=ES,DS,ESS,DSS: Update to v1.075 or later FX5UC-xMy/z x=32,64,96 y=T, z=D,DSS: Update to v1.075 or later", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ], "url": "https://www.mitsubishielectric.com/fa/download/index.html" }, { "category": "mitigation", "details": "FX5U-xMy/z x=32,64,80, y=T,R, z=ES,DS,ESS,DSS: Update to v1.075 or later", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ], "url": "https://www.mitsubishielectric.com/fa/download/index.html" }, { "category": "mitigation", "details": "FX5UC-xMy/z x=32,64,96 y=T, z=D,DSS: Update to v1.075 or later", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ], "url": "https://www.mitsubishielectric.com/fa/download/index.html" }, { "category": "mitigation", "details": "MELSEC iQ-F Series FX5UC-32MT/DS-TS, FX5UC-32MT/DSS-TS, FX5UC-32MR/DS-TS: Update to v1.281 or later", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ], "url": "https://www.mitsubishielectric.com/fa/download/index.html" }, { "category": "mitigation", "details": "FX5UJ-xMy/z x=24,40,60, y=T,R, z=ES,ESS: Update to v1.044 or later", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ] }, { "category": "mitigation", "details": "FX5UJ-xMy/ES-A* x=24,40,60, y=T,R: Update to v1.045 or later", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ] }, { "category": "mitigation", "details": "FX5S-xMy/z* x=30,40,60,80, y=T,R, z=ES,ESS: Update to v1.004 or later", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ] }, { "category": "mitigation", "details": "Note: These products are available in limited regions. For how to get the fixed version, users should contact Mitsubishi Electric.", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ] }, { "category": "mitigation", "details": "\"5 FIRMWARE UPDATE FUNCTION\" in the MELSEC iQ-F FX5 User\u0027s Manual (Application)", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ], "url": "https://www.mitsubishielectric.com/app/fa/download/search.do?kisyu=/plcf\u0026mode=manual" }, { "category": "mitigation", "details": "Use a firewall or virtual private network (VPN), etc. to prevent unauthorized access when internet access is required.", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ] }, { "category": "mitigation", "details": "Use products inside a local area network (LAN) and block access from untrusted networks and hosts through firewalls.", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ] }, { "category": "mitigation", "details": "Use the IP filter function* to block access from untrusted hosts. For details on the IP filter function, refer to the manuals for each product: \"12.1 IP Filter Function\" in the MELSEC iQ-F FX5 User\u0027s Manual (Ethernet Communication) \"1.13 Security\" - \"IP filter\" in the MELSEC iQ-R Ethernet User\u0027s Manual (Application)", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ] }, { "category": "mitigation", "details": "\"12.1 IP Filter Function\" in the MELSEC iQ-F FX5 User\u0027s Manual (Ethernet Communication)", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ] }, { "category": "mitigation", "details": "\"1.13 Security\" - \"IP filter\" in the MELSEC iQ-R Ethernet User\u0027s Manual (Application)", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ] } ], "scores": [ { "cvss_v3": { "baseScore": 5.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.0" }, "products": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010" ] } ] } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.