{"id":"CVE-2026-0647","state":"PUBLISHED","title":"Rockwell Automation FLEX I/O Dual-port EtherNet/IP Adapters – Multiple Vulnerabilities","description":"An improper authentication security issue exists within the 1794-AENTR adapter's embedded web server. The vulnerability allows an unauthenticated attacker to change the device's web interface password by sending a crafted HTTP GET request to a specific endpoint, without any prior authentication being required. If exploited, this could lead to unauthorized access, account takeover, and loss of the device’s embedded web server’s availability.","publishedAt":"2026-06-16T14:20:12.535Z","updatedAt":"2026-06-16T15:23:45.399Z","severity":{"score":8.8,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N","source":"Rockwell"},"assigner":"Rockwell","products":["Rockwell Automation FLEX I/O EtherNet/IP Adapters"],"affected":[{"vendor":"Rockwell Automation","product":"FLEX I/O EtherNet/IP Adapters","defaultStatus":"unaffected","versions":[{"version":"2.012","status":"affected","versionType":"custom"}]}],"references":["https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1775.html"],"weaknesses":["CWE-306"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/0xxx/CVE-2026-0647.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-0647","state":"PUBLISHED","datePublished":"2026-06-16T14:20:12.535Z","dateUpdated":"2026-06-16T15:23:45.399Z","assignerShortName":"Rockwell","assignerOrgId":"b73dd486-f505-4403-b634-40b078b177f0","dateReserved":"2026-01-06T16:09:07.074Z"},"containers":{"cna":{"title":"Rockwell Automation FLEX I/O Dual-port EtherNet/IP Adapters – Multiple Vulnerabilities","descriptions":[{"lang":"en","value":"An improper authentication security issue exists within the 1794-AENTR adapter's embedded web server. The vulnerability allows an unauthenticated attacker to change the device's web interface password by sending a crafted HTTP GET request to a specific endpoint, without any prior authentication being required. If exploited, this could lead to unauthorized access, account takeover, and loss of the device’s embedded web server’s availability."}],"affected":[{"vendor":"Rockwell Automation","product":"FLEX I/O EtherNet/IP Adapters","defaultStatus":"unaffected","versions":[{"version":"2.012","status":"affected","versionType":"custom"}]}],"references":[{"url":"https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1775.html"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.8,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","lang":"en","description":"CWE-306: Missing Authentication for Critical Function","type":"CWE"}]}],"providerMetadata":{"shortName":"Rockwell","orgId":"b73dd486-f505-4403-b634-40b078b177f0","dateUpdated":"2026-06-16T14:20:35.423Z"},"source":{"advisory":"SD1775","discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-16T15:23:37.954588Z","id":"CVE-2026-0647","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":"2026-06-16T15:23:45.399Z"}}]}}}