{"id":"CVE-2023-3596","state":"PUBLISHED","title":"Rockwell Automation Allen-Bradley ControlLogix Communication Modules vulnerable to Denial of Service","description":"\nWhere this vulnerability exists in the Rockwell Automation 1756-EN4* Ethernet/IP communication products, it could allow a malicious user to cause a denial of service by asserting the target system through maliciously crafted CIP messages.\n\n","publishedAt":"2023-07-12T12:51:19.498Z","updatedAt":"2024-11-07T16:59:33.267Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"Rockwell"},"assigner":"Rockwell","products":["Rockwell Automation 1756-EN4TR Series A","Rockwell Automation 1756-EN4TRK Series A","Rockwell Automation 1756-EN4TRXT Series A\t"],"affected":[{"vendor":"Rockwell Automation","product":"1756-EN4TR Series A","defaultStatus":"unaffected","versions":[{"version":"<=5.001","status":"affected"}]},{"vendor":"Rockwell Automation","product":"1756-EN4TRK Series A","defaultStatus":"unaffected","versions":[{"version":"<=5.001","status":"affected"}]},{"vendor":"Rockwell Automation","product":"1756-EN4TRXT Series A\t","defaultStatus":"unaffected","versions":[{"version":"<=5.001","status":"affected"}]}],"references":["https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1140010"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T20:06:08.715Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/3xxx/CVE-2023-3596.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-3596","state":"PUBLISHED","datePublished":"2023-07-12T12:51:19.498Z","dateUpdated":"2024-11-07T16:59:33.267Z","assignerShortName":"Rockwell","assignerOrgId":"b73dd486-f505-4403-b634-40b078b177f0","dateReserved":"2023-07-10T15:34:53.790Z"},"containers":{"cna":{"title":"Rockwell Automation Allen-Bradley ControlLogix Communication Modules vulnerable to Denial of Service ","descriptions":[{"lang":"en","value":"\nWhere this vulnerability exists in the Rockwell Automation 1756-EN4* Ethernet/IP communication products, it could allow a malicious user to cause a denial of service by asserting the target system through maliciously crafted CIP messages.\n\n"}],"affected":[{"vendor":"Rockwell Automation","product":"1756-EN4TR Series A","defaultStatus":"unaffected","versions":[{"version":"<=5.001","status":"affected"}]},{"vendor":"Rockwell Automation","product":"1756-EN4TRK Series A","defaultStatus":"unaffected","versions":[{"version":"<=5.001","status":"affected"}]},{"vendor":"Rockwell Automation","product":"1756-EN4TRXT Series A\t","defaultStatus":"unaffected","versions":[{"version":"<=5.001","status":"affected"}]}],"references":[{"url":"https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1140010"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Rockwell","orgId":"b73dd486-f505-4403-b634-40b078b177f0","dateUpdated":"2023-07-12T13:16:21.672Z"},"datePublic":"2023-07-12T12:00:00.000Z","impacts":[{"capecId":"CAPEC-100","descriptions":[{"lang":"en","value":"CAPEC-100 Overflow Buffers"}]}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"\n\n\n\n
"}],"value":"\n * Update firmware. Update EN4* ControlLogix communications modules to firmware revision 5.002. \n * Properly segment networks. Given a cyber actor would require network connectivity to the communication module to exploit the vulnerability, organizations should ensure ICS/SCADA networks are properly segmented within the process structure as well as from the Internet and other non-essential networks. \n * Implement detection signatures. Use appended Snort signatures to monitor and detect anomalous Common Industrial Protocol (CIP) packets to Rockwell Automation devices. \n\n\n\n\n\n"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1140010","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T07:01:56.685Z"}},{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"rockwellautomation","product":"1756-en4tr","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"5.001","versionType":"custom"}],"cpes":["cpe:2.3:h:rockwellautomation:1756-en4tr:-:*:*:*:*:*:*:*"]},{"vendor":"rockwellautomation","product":"1756-en4trk","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"5.001","versionType":"custom"}],"cpes":["cpe:2.3:h:rockwellautomation:1756-en4trk:-:*:*:*:*:*:*:*"]},{"vendor":"rockwellautomation","product":"1756-en4trxt","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"5.001","versionType":"custom"}],"cpes":["cpe:2.3:h:rockwellautomation:1756-en4trxt:-:*:*:*:*:*:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-11-07T16:56:23.761081Z","id":"CVE-2023-3596","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-11-07T16:59:33.267Z"}}]}}}