{"id": "CVE-2019-13923", "bulletinFamily": "NVD", "title": "CVE-2019-13923", "description": "A vulnerability has been identified in IE/WSN-PA Link WirelessHART Gateway (All versions). The integrated configuration web server of the affected device could allow Cross-Site Scripting (XSS) attacks if unsuspecting users are tricked into accessing a malicious link. User interaction is required for a successful exploitation. The user must be logged into the web interface in order for the exploitation to succeed. At the stage of publishing this security advisory no public exploitation is known.", "published": "2019-09-13T17:15:00", "modified": "2019-09-24T22:15:00", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}, "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-13923", "reporter": "cve@mitre.org", "references": ["https://www.us-cert.gov/ics/advisories/icsa-19-253-04", "https://cert-portal.siemens.com/productcert/pdf/ssa-191683.pdf"], "cvelist": ["CVE-2019-13923"], "type": "cve", "lastseen": "2020-10-03T13:38:42", "edition": 5, "viewCount": 200, "enchantments": {"dependencies": {"references": [{"type": "ics", "idList": ["ICSA-19-253-04"]}], "modified": "2020-10-03T13:38:42", "rev": 2}, "score": {"value": 3.8, "vector": "NONE", "modified": "2020-10-03T13:38:42", "rev": 2}, "vulnersScore": 3.8}, "cpe": ["cpe:/o:siemens:ie\\/wsn-pa_link_wirelesshart_gateway_firmware:*"], "affectedSoftware": [{"cpeName": "siemens:ie\\/wsn-pa_link_wirelesshart_gateway_firmware", "name": "siemens ie\\/wsn-pa link wirelesshart gateway firmware", "operator": "eq", "version": "*"}], "cvss2": {"acInsufInfo": false, "cvssV2": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": true}, "cvss3": {"cvssV3": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 6.0}, "cpe23": ["cpe:2.3:o:siemens:ie\\/wsn-pa_link_wirelesshart_gateway_firmware:*:*:*:*:*:*:*:*"], "cwe": ["CWE-79"], "scheme": null, "affectedConfiguration": [{"cpeName": "siemens:ie\\/wsn-pa_link_wirelesshart_gateway", "name": "siemens ie\\/wsn-pa link wirelesshart gateway", "operator": "eq", "version": "-"}], "cpeConfiguration": {"CVE_data_version": "4.0", "nodes": [{"children": [{"cpe_match": [{"cpe23Uri": "cpe:2.3:h:siemens:ie\\/wsn-pa_link_wirelesshart_gateway:-:*:*:*:*:*:*:*", "vulnerable": false}], "operator": "OR"}, {"cpe_match": [{"cpe23Uri": "cpe:2.3:o:siemens:ie\\/wsn-pa_link_wirelesshart_gateway_firmware:*:*:*:*:*:*:*:*", "vulnerable": true}], "operator": "OR"}], "operator": "AND"}]}}

{"ics": [{"lastseen": "2020-12-18T03:22:43", "bulletinFamily": "info", "cvelist": ["CVE-2019-13923"], "description": "## 1\\. EXECUTIVE SUMMARY\n\n * **CVSS v3 7.5**\n * **ATTENTION: **Exploitable remotely\n * **Vendor: **Siemens\n * **Equipment: **IE/WSN-PA Link WirelessHART Gateway\n * **Vulnerability: **Cross-site Scripting\n\n## 2\\. RISK EVALUATION\n\nSuccessful exploitation of this vulnerability could allow information disclosure, code execution, or denial-of-service.\n\n## 3\\. TECHNICAL DETAILS\n\n### 3.1 AFFECTED PRODUCTS\n\nAll versions of IE/WSN-PA Link WirelessHART Gateway are affected.\n\n### 3.2 VULNERABILITY OVERVIEW\n\n#### 3.2.1 [IMPROPER NEUTRALIZATION OF INPUT DURING WEB PAGE GENERATION ('CROSS-SITE SCRIPTING') CWE-79](<https://cwe.mitre.org/data/definitions/79.html>)\n\nAn attacker sending a malicious link to an unsuspecting user may be able to execute a cross-site scripting attack, which may allow information disclosure, code execution, or denial-of-service.\n\n[CVE-2019-13923](<http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-13923>) has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been calculated; the CVSS vector string is ([AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H](<https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H>)).\n\n### 3.3 BACKGROUND\n\n * **CRITICAL INFRASTRUCTURE SECTORS: **Chemical, Critical Manufacturing, Energy, Food and Agriculture, Water and Wastewater Systems\n * **COUNTRIES/AREAS DEPLOYED: **Worldwide\n * **COMPANY HEADQUARTERS LOCATION:** Germany\n\n### 3.4 RESEARCHER\n\nSiemens reported this vulnerability to CISA.\n\n## 4\\. MITIGATIONS\n\nSiemens has identified the following specific workarounds and mitigations that users can apply to reduce the risk:\n\n * Only access links from trusted sources in the browser used to configure IE/WSN-PA Link.\n\nAs a general security measure, Siemens strongly recommends users protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends users configure the environment according to Siemens\u2019 operational guidelines for industrial security (download: <https://www.siemens.com/cert/operational-guidelines-industrial-security>), and follow the recommendations in the product manuals. Additional information on industrial security by Siemens can be found at: <https://www.siemens.com/industrialsecurity>\n\nFor more information, please see Siemens Security Advisory SSA-191683 at the following location: \n<http://www.siemens.com/cert/advisories> \n \nCISA recommends users take the following measures to protect themselves from social engineering attacks: \n\n * Do not click web links or open unsolicited attachments in email messages. \n * Refer to [Recognizing and Avoiding Email Scams](<https://www.us-cert.gov/sites/default/files/publications/emailscams_0905.pdf>) for more information on avoiding email scams. \n * Refer to [Avoiding Social Engineering and Phishing Attacks](<https://www.us-cert.gov/ncas/tips/ST04-014>) for more information on social engineering attacks.\n\nCISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. \n \nCISA also provides a section for [control systems security recommended practices](<https://www.us-cert.gov/ics/recommended-practices>) on the ICS webpage on [us-cert.gov](<https://www.us-cert.gov/ics>). Several recommended practices are available for reading and download, including [Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies](<https://www.us-cert.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf>).\n\nAdditional mitigation guidance and recommended practices are publicly available on the [ICS webpage on us-cert.gov](<https://www.us-cert.gov/ics>) in the Technical Information Paper, [ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies](<https://www.us-cert.gov/ics/tips/ICS-TIP-12-146-01B>). \n \nOrganizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.\n\nNo known public exploits specifically target this vulnerability. High skill level is needed to exploit.\n\n## \nContact Information\n\nFor any questions related to this report, please contact the CISA at: \n \nEmail: [CISAservicedesk@cisa.dhs.gov](<mailto:cisaservicedesk@cisa.dhs.gov>) \nToll Free: 1-888-282-0870\n\nFor industrial control systems cybersecurity information: https://us-cert.cisa.gov/ics \nor incident reporting: https://us-cert.cisa.gov/report\n\nCISA continuously strives to improve its products and services. You can help by choosing one of the links below to provide feedback about this product.\n\nThis product is provided subject to this Notification and this [Privacy &amp; Use](<https://www.dhs.gov/privacy-policy>) policy.\n\n**Please share your thoughts.**\n\nWe recently updated our anonymous [product survey](<https://surveymonkey.com/r/G8STDRY?product=https://us-cert.cisa.gov/ics/advisories/icsa-19-253-04>); we'd welcome your feedback.\n", "edition": 9, "modified": "2019-09-10T00:00:00", "published": "2019-09-10T00:00:00", "id": "ICSA-19-253-04", "href": "https://www.us-cert.gov//ics/advisories/icsa-19-253-04", "title": "Siemens IE-WSN-PA Link WirelessHART Gateway", "type": "ics", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}]}