Siemens Mendix

February 23, 2023Elle CeeDee

Cybersecurity
CISACISAhttps://www.cisa.gov/node/17309Siemens Mendix/news-events/ics-advisories/icsa-23-047-11
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CISA released one Industrial Control Systems (ICS) advisory on May 30, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-23-150-01 Advantech WebAccess/SCADA CISA encourages users and administrators to review the newly released ICS advisory for technical details and mitigations.CISAraw:371523216a544a231ef2c71c89a8dc30 – 2023-05-30T14:59:16.000Z
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1. EXECUTIVE SUMMARY CVSS v3 7.3 ATTENTION:  Low attack complexity Vendor:  Advantech Equipment:  WebAccess/SCADA Vulnerabilities:  Insufficient Type Distinction 2. RISK EVALUATION Successful exploitation of this vulnerability could allow an attacker full control over the supervisory control and data acquisition (SCADA) server. 3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS Advantech reports this vulnerability affect the following WebAccess/SCADA product: WebAccess/SCADA: version 8.4.5 3.2 VULNERABILITY OVERVIEW 3.2.1  INSUFFICIENT TYPE DISTINCTION CWE-351 If an attacker can trick an authenticated user into loading a maliciously crafted .zip file onto Advantech WebAccess version 8.4.5, a web shell could be used to give the attacker full control of the SCADA server. CVE-2023-2866 has been assigned to this vulnerability. A CVSS v3 base score of 7.3 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H ). 3.3 BACKGROUND CRITICAL INFRASTRUCTURE SECTORS:  Critical Manufacturing, Energy, Water and Wastewater Systems COUNTRIES/AREAS DEPLOYED:  East Asia, Europe, United States COMPANY HEADQUARTERS LOCATION:  Taiwan 3.4 RESEARCHER Marlon Luis Petry reported this vulnerability to CISA. 4. MITIGATIONS Advantech recommends users locate and delete the “WADashboardSetup.msi” file to avoid this issue. If users wish to remedy this problem in version 8.4.5, they can uninstall “WebAccess Dashboard” from the control panel. Delete all the files: \Inetpub\wwwroot\broadweb\WADashboard \WebAccess\Node\WADashboardSetup.msi Advantech released a new version V9.1.4 to address the problem by not including these files. CISA recommends users take the following measures to protect themselves from social engineering attacks: Do not click web links or open attachments in unsolicited email messages. Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams. Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks. 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. No known public exploits specifically target this vulnerability. This vulnerability is not exploitable remotely.CISAraw:c4a2fbfa520b7a445d2f8825412405fe – 2023-05-30T14:59:15.000Z
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CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog , based on evidence of active exploitation. CVE-2023-2 868  Barracuda Networks ESG Appliance Improper Input Validation Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise. Note:  To view other newly added vulnerabilities in the catalog, click on the arrow in the “Date Added to Catalog” column—which will sort by descending dates. Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities  established the Known Exploited Vulnerabilities Catalog as a living list of known Common Vulnerabilities and Exposures (CVEs) that carry significant risk to the federal enterprise. BOD 22-01 requires Federal Civilian Executive Branch (FCEB) agencies to remediate identified vulnerabilities by the due date to protect FCEB networks against active threats. See the  BOD 22-01 Fact Sheet  for more information. Although BOD 22-01 only applies to FCEB agencies, CISA strongly urges all organizations to reduce their exposure to cyberattacks by prioritizing timely remediation of Catalog vulnerabilities  as part of their vulnerability management practice. CISA will continue to add vulnerabilities to the catalog that meet the specified criteria . This product is provided subject to this Notification  and this Privacy & Use  policy.CISAraw:c10caedb098110c81742083ca1bb7557 – 2023-05-30T12:15:47.000Z
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