{"id":"CVE-2022-45794","state":"PUBLISHED","title":"Omron CJ-series and CS-series unauthenticated filesystem access.","description":"An attacker with network access to the affected PLC (CJ-series and CS-series PLCs, all versions) may use a network protocol to read and write files on the PLC internal memory and memory card.\n","publishedAt":"2024-01-10T22:56:58.836Z","updatedAt":"2025-05-22T15:46:32.685Z","severity":{"score":8.6,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","source":"Dragos"},"assigner":"Dragos","products":["Omron CJ-series and CS-series CPU modules"],"affected":[{"vendor":"Omron","product":"CJ-series and CS-series CPU modules","defaultStatus":"affected","versions":[{"version":"0","status":"affected"}]}],"references":["https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-002_en.pdf","https://www.dragos.com/advisory/omron-plc-and-engineering-software-network-and-file-format-access/"],"weaknesses":["CWE-306"],"ingestedAt":"2026-10-29T19:50:51.061Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/45xxx/CVE-2022-45794.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-45794","state":"PUBLISHED","datePublished":"2024-01-10T22:56:58.836Z","dateUpdated":"2025-05-22T15:46:32.685Z","assignerShortName":"Dragos","assignerOrgId":"12bdf821-1545-4a87-aac5-61670cc6fcef","dateReserved":"2022-11-22T17:52:43.199Z"},"containers":{"cna":{"title":"Omron CJ-series and CS-series unauthenticated filesystem access.","descriptions":[{"lang":"en","value":"An attacker with network access to the affected PLC (CJ-series and CS-series PLCs, all versions) may use a network protocol to read and write files on the PLC internal memory and memory card.\n"}],"affected":[{"vendor":"Omron","product":"CJ-series and CS-series CPU modules","defaultStatus":"affected","versions":[{"version":"0","status":"affected"}]}],"references":[{"url":"https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-002_en.pdf"},{"url":"https://www.dragos.com/advisory/omron-plc-and-engineering-software-network-and-file-format-access/"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","description":"CWE-306 Missing Authentication for Critical Function","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Dragos","orgId":"12bdf821-1545-4a87-aac5-61670cc6fcef","dateUpdated":"2024-01-22T16:39:10.643Z"},"credits":[{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"Reid Wightman of Dragos, Inc."}],"impacts":[{"capecId":"CAPEC-165","descriptions":[{"lang":"en","value":"CAPEC-165 File Manipulation"}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-002_en.pdf","tags":["x_transferred"]},{"url":"https://www.dragos.com/advisory/omron-plc-and-engineering-software-network-and-file-format-access/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T14:17:04.073Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-01-24T18:20:27.535175Z","id":"CVE-2022-45794","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-05-22T15:46:32.685Z"}}]}}}