{ "document": { "acknowledgments": [ { "names": [ "Bobby Gould", "Fritz Sands", "Natnael Samson" ], "organization": "Trend Micro Zero Day Initiative", "summary": "reporting these vulnerabilities to CISA" } ], "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": "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": "Successful exploitation of these vulnerabilities could cause a buffer overflow condition and allow remote code execution.", "title": "Risk evaluation" }, { "category": "other", "text": "Critical Manufacturing, Energy", "title": "Critical infrastructure sectors" }, { "category": "other", "text": "Worldwide", "title": "Countries/areas deployed" }, { "category": "other", "text": "Taiwan", "title": "Company headquarters location" }, { "category": "general", "text": "CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. 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 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.", "title": "Recommended Practices" }, { "category": "general", "text": "CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.", "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": "No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time. These vulnerabilities are not exploitable remotely.", "title": "Recommended Practices" } ], "publisher": { "category": "coordinator", "contact_details": "central@cisa.dhs.gov", "name": "CISA", "namespace": "https://www.cisa.gov/" }, "references": [ { "category": "self", "summary": "ICS Advisory ICSA-24-191-01 JSON", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2024/icsa-24-191-01.json" }, { "category": "self", "summary": "ICSA Advisory ICSA-24-191-01 - Web Version", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-24-191-01" }, { "category": "external", "summary": "Recommended Practices", "url": "https://www.cisa.gov/resources-tools/resources/ics-recommended-practices" }, { "category": "external", "summary": "Recommended Practices", "url": "https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf" }, { "category": "external", "summary": "Recommended Practices", "url": "https://www.cisa.gov/topics/industrial-control-systems" }, { "category": "external", "summary": "Recommended Practices", "url": "https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01" }, { "category": "external", "summary": "Recommended Practices", "url": "https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf" }, { "category": "external", "summary": "Recommended Practices", "url": "https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B" }, { "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": "Delta Electronics CNCSoft-G2 (Update A)", "tracking": { "current_release_date": "2025-02-18T07:00:00.000000Z", "generator": { "engine": { "name": "CISA CSAF Generator", "version": "1.0.0" } }, "id": "ICSA-24-191-01", "initial_release_date": "2024-07-09T06:00:00.000000Z", "revision_history": [ { "date": "2024-07-09T06:00:00.000000Z", "legacy_version": "Initial", "number": "1", "summary": "Initial Publication" }, { "date": "2025-02-18T07:00:00.000000Z", "legacy_version": "Update A", "number": "2", "summary": "Update A - Updated the Mitigations section to include the fixed version to mitigate CVE-2025-22880." } ], "status": "final", "version": "2" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version", "name": "2.0.0.5", "product": { "name": "Delta Electronics CNCSoft-G2: 2.0.0.5", "product_id": "CSAFPID-0001" } } ], "category": "product_name", "name": "CNCSoft-G2" }, { "branches": [ { "category": "product_version_range", "name": "<=2.1.0.10", "product": { "name": "Delta Electronics CNCSoft-G2: <=2.1.0.10", "product_id": "CSAFPID-0002" } } ], "category": "product_name", "name": "CNCSoft-G2" } ], "category": "vendor", "name": "Delta Electronics" } ] }, "vulnerabilities": [ { "cve": "CVE-2024-39880", "cwe": { "id": "CWE-121", "name": "Stack-based Buffer Overflow" }, "notes": [ { "category": "summary", "text": "Delta Electronics CNCSoft-G2 lacks proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. If a target visits a malicious page or opens a malicious file an attacker can leverage this vulnerability to execute code in the context of the current process.", "title": "Vulnerability Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001" ] }, "references": [ { "category": "external", "summary": "www.cve.org", "url": "https://www.cve.org/CVERecord?id=CVE-2024-39880" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N" } ], "remediations": [ { "category": "mitigation", "details": "Delta Electronics recommends users update to v2.1.0.20 or later.", "product_ids": [ "CSAFPID-0001" ], "url": "https://downloadcenter.delta-china.com.cn/zh-CN/DownloadCenter?v=1&q=cncsoft&sort_expr=cdate&sort_dir=DESC" }, { "category": "mitigation", "details": "Delta has published Delta-PCSA-2025-00002 in both English and Chinese on their security website to provide more details about these issues.", "product_ids": [ "CSAFPID-0001" ], "url": "https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2025-00002_CNCSoft-G2%20-%20Heap-based%20Buffer%20Overflow_v2.pdf" }, { "category": "mitigation", "details": "Delta also recommends the following general security practices:", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Don't click on untrusted Internet links or open unsolicited attachments in emails.", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Avoid exposing control systems and equipment to the Internet.", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Place systems and devices behind a firewall and isolate them from the business network.", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "When remote access is required, use a secure access method, such as a virtual private network (VPN).", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "If you have any product-related support concerns, please find a contact from Delta's portal page to reach them for any information or materials you may require.", "product_ids": [ "CSAFPID-0001" ], "url": "https://www.deltaww.com/en-US/Customer-Service" } ], "scores": [ { "cvss_v3": { "baseScore": 7.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "CSAFPID-0001" ] } ] }, { "cve": "CVE-2024-39881", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "notes": [ { "category": "summary", "text": "Delta Electronics CNCSoft-G2 lacks proper validation of user-supplied data, which can result in a memory corruption condition. If a target visits a malicious page or opens a malicious file an attacker can leverage this vulnerability to execute code in the context of the current process.", "title": "Vulnerability Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001" ] }, "references": [ { "category": "external", "summary": "www.cve.org", "url": "https://www.cve.org/CVERecord?id=CVE-2024-39881" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N" } ], "remediations": [ { "category": "mitigation", "details": "Delta Electronics recommends users update to v2.1.0.20 or later.", "product_ids": [ "CSAFPID-0001" ], "url": "https://downloadcenter.delta-china.com.cn/zh-CN/DownloadCenter?v=1&q=cncsoft&sort_expr=cdate&sort_dir=DESC" }, { "category": "mitigation", "details": "Delta has published Delta-PCSA-2025-00002 in both English and Chinese on their security website to provide more details about these issues.", "product_ids": [ "CSAFPID-0001" ], "url": "https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2025-00002_CNCSoft-G2%20-%20Heap-based%20Buffer%20Overflow_v2.pdf" }, { "category": "mitigation", "details": "Delta also recommends the following general security practices:", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Don't click on untrusted Internet links or open unsolicited attachments in emails.", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Avoid exposing control systems and equipment to the Internet.", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Place systems and devices behind a firewall and isolate them from the business network.", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "When remote access is required, use a secure access method, such as a virtual private network (VPN).", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "If you have any product-related support concerns, please find a contact from Delta's portal page to reach them for any information or materials you may require.", "product_ids": [ "CSAFPID-0001" ], "url": "https://www.deltaww.com/en-US/Customer-Service" } ], "scores": [ { "cvss_v3": { "baseScore": 7.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "CSAFPID-0001" ] } ] }, { "cve": "CVE-2024-39882", "cwe": { "id": "CWE-125", "name": "Out-of-bounds Read" }, "notes": [ { "category": "summary", "text": "Delta Electronics CNCSoft-G2 lacks proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. If a target visits a malicious page or opens a malicious file an attacker can leverage this vulnerability to execute code in the context of the current process.", "title": "Vulnerability Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001" ] }, "references": [ { "category": "external", "summary": "www.cve.org", "url": "https://www.cve.org/CVERecord?id=CVE-2024-39882" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N" } ], "remediations": [ { "category": "mitigation", "details": "Delta Electronics recommends users update to v2.1.0.20 or later.", "product_ids": [ "CSAFPID-0001" ], "url": "https://downloadcenter.delta-china.com.cn/zh-CN/DownloadCenter?v=1&q=cncsoft&sort_expr=cdate&sort_dir=DESC" }, { "category": "mitigation", "details": "Delta has published Delta-PCSA-2025-00002 in both English and Chinese on their security website to provide more details about these issues.", "product_ids": [ "CSAFPID-0001" ], "url": "https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2025-00002_CNCSoft-G2%20-%20Heap-based%20Buffer%20Overflow_v2.pdf" }, { "category": "mitigation", "details": "Delta also recommends the following general security practices:", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Don't click on untrusted Internet links or open unsolicited attachments in emails.", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Avoid exposing control systems and equipment to the Internet.", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Place systems and devices behind a firewall and isolate them from the business network.", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "When remote access is required, use a secure access method, such as a virtual private network (VPN).", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "If you have any product-related support concerns, please find a contact from Delta's portal page to reach them for any information or materials you may require.", "product_ids": [ "CSAFPID-0001" ], "url": "https://www.deltaww.com/en-US/Customer-Service" } ], "scores": [ { "cvss_v3": { "baseScore": 7.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "CSAFPID-0001" ] } ] }, { "cve": "CVE-2024-39883", "cwe": { "id": "CWE-122", "name": "Heap-based Buffer Overflow" }, "notes": [ { "category": "summary", "text": "Delta Electronics CNCSoft-G2 lacks proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. If a target visits a malicious page or opens a malicious file an attacker can leverage this vulnerability to execute code in the context of the current process.", "title": "Vulnerability Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001" ] }, "references": [ { "category": "external", "summary": "www.cve.org", "url": "https://www.cve.org/CVERecord?id=CVE-2024-39883" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N" } ], "remediations": [ { "category": "mitigation", "details": "Delta Electronics recommends users update to v2.1.0.20 or later.", "product_ids": [ "CSAFPID-0001" ], "url": "https://downloadcenter.delta-china.com.cn/zh-CN/DownloadCenter?v=1&q=cncsoft&sort_expr=cdate&sort_dir=DESC" }, { "category": "mitigation", "details": "Delta has published Delta-PCSA-2025-00002 in both English and Chinese on their security website to provide more details about these issues.", "product_ids": [ "CSAFPID-0001" ], "url": "https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2025-00002_CNCSoft-G2%20-%20Heap-based%20Buffer%20Overflow_v2.pdf" }, { "category": "mitigation", "details": "Delta also recommends the following general security practices:", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Don't click on untrusted Internet links or open unsolicited attachments in emails.", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Avoid exposing control systems and equipment to the Internet.", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Place systems and devices behind a firewall and isolate them from the business network.", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "When remote access is required, use a secure access method, such as a virtual private network (VPN).", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "If you have any product-related support concerns, please find a contact from Delta's portal page to reach them for any information or materials you may require.", "product_ids": [ "CSAFPID-0001" ], "url": "https://www.deltaww.com/en-US/Customer-Service" } ], "scores": [ { "cvss_v3": { "baseScore": 7.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "CSAFPID-0001" ] } ] }, { "cve": "CVE-2025-22880", "cwe": { "id": "CWE-122", "name": "Heap-based Buffer Overflow" }, "notes": [ { "category": "summary", "text": "Delta Electronics CNCSoft-G2 Version 2.1.0.10 and prior lacks proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. If a target visits a malicious page or opens a malicious file an attacker can leverage this vulnerability to execute code in the context of the current process.", "title": "Vulnerability Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0002" ] }, "references": [ { "category": "external", "summary": "www.cve.org", "url": "https://www.cve.org/CVERecord?id=CVE-2025-22880" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N" } ], "remediations": [ { "category": "mitigation", "details": "Delta Electronics recommends users update to v2.1.0.20 or later.", "product_ids": [ "CSAFPID-0002" ], "url": "https://downloadcenter.delta-china.com.cn/zh-CN/DownloadCenter?v=1&q=cncsoft&sort_expr=cdate&sort_dir=DESC" }, { "category": "mitigation", "details": "Delta has published Delta-PCSA-2025-00002 in both English and Chinese on their security website to provide more details about these issues.", "product_ids": [ "CSAFPID-0002" ], "url": "https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2025-00002_CNCSoft-G2%20-%20Heap-based%20Buffer%20Overflow_v2.pdf" }, { "category": "mitigation", "details": "Delta also recommends the following general security practices:", "product_ids": [ "CSAFPID-0002" ] }, { "category": "mitigation", "details": "Don't click on untrusted Internet links or open unsolicited attachments in emails.", "product_ids": [ "CSAFPID-0002" ] }, { "category": "mitigation", "details": "Avoid exposing control systems and equipment to the Internet.", "product_ids": [ "CSAFPID-0002" ] }, { "category": "mitigation", "details": "Place systems and devices behind a firewall and isolate them from the business network.", "product_ids": [ "CSAFPID-0002" ] }, { "category": "mitigation", "details": "When remote access is required, use a secure access method, such as a virtual private network (VPN).", "product_ids": [ "CSAFPID-0002" ] }, { "category": "mitigation", "details": "If you have any product-related support concerns, please find a contact from Delta's portal page to reach them for any information or materials you may require.", "product_ids": [ "CSAFPID-0002" ], "url": "https://www.deltaww.com/en-US/Customer-Service" } ], "scores": [ { "cvss_v3": { "baseScore": 7.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "CSAFPID-0002" ] } ] } ] }