{"cve":"CVE-2022-33971","nvd":{"published":"2022-07-04T02:15:07.670","modified":"2026-06-17T04:49:35.103","status":"Modified","description":"Authentication bypass by capture-replay vulnerability exists in Machine automation controller NX7 series all models V1.28 and earlier, Machine automation controller NX1 series all models V1.48 and earlier, and Machine automation controller NJ series all models V 1.48 and earlier, which may allow an adjacent attacker who can analyze the communication between the controller and the specific software used by OMRON internally to cause a denial-of-service (DoS) condition or execute a malicious program.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":7.5},"cwes":["CWE-294","CWE-489"],"references":["https://jvn.jp/en/vu/JVNVU97050784/index.html","https://www.ia.omron.com/product/vulnerability/OMSR-2022-002_en.pdf","https://jvn.jp/en/vu/JVNVU97050784/index.html","https://www.ia.omron.com/product/vulnerability/OMSR-2022-002_en.pdf"],"products":["omron:nj-pa3001_firmware","omron:nj-pd3001_firmware","omron:nj101-1000_firmware","omron:nj101-1020_firmware","omron:nj101-9000_firmware","omron:nj101-9020_firmware","omron:nj301-1100_firmware","omron:nj301-1200_firmware","omron:nj501-1300_firmware","omron:nj501-1320_firmware","omron:nj501-1340_firmware","omron:nj501-140_firmware","omron:nj501-1420_firmware","omron:nj501-1500_firmware","omron:nj501-1520_firmware","omron:nj501-4300_firmware","omron:nj501-4310_firmware","omron:nj501-4320_firmware","omron:nj501-4400_firmware","omron:nj501-4500_firmware","omron:nj501-5300_firmware","omron:nj501-r300_firmware","omron:nj501-r320_firmware","omron:nj501-r400_firmware","omron:nj501-r420_firmware","omron:nj501-r500_firmware","omron:nj501-r520_firmware","omron:nx102-1000_firmware","omron:nx102-1020_firmware","omron:nx102-1100_firmware","omron:nx102-1120_firmware","omron:nx102-1200_firmware","omron:nx102-1220_firmware","omron:nx102-9020_firmware","omron:nx1p2-1040dt1_firmware","omron:nx1p2-1040dt_firmware","omron:nx1p2-1140dt1_firmware","omron:nx1p2-1140dt_firmware","omron:nx1p2-9024dt1_firmware","omron:nx1p2-9024dt_firmware","omron:nx1w-adb21_firmware","omron:nx1w-cif01_firmware","omron:nx1w-cif11_firmware","omron:nx1w-cif12_firmware","omron:nx1w-dab21v_firmware","omron:nx1w-mab221_firmware","omron:nx701-1600_firmware","omron:nx701-1620_firmware","omron:nx701-1700_firmware","omron:nx701-1720_firmware"],"source":"nvd","synced_at":"2026-10-19T21:33:44.859608815+00:00"},"epss":{"cve":"CVE-2022-33971","score":0.0124,"percentile":0.69176,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}