[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fGC-DQ-epPH5B9wq1kmMbotpLgItvkh5LWC-ZpqvPmq8":3,"g5a-risk:CVE-2021-22681":221},{"success":4,"data":5,"meta":219},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":39,"epssPercentile":27,"epssTimeSeries":40,"severity":41,"affectedProducts":42,"affectedProductsCount":106,"references":107,"referencesCount":114,"weaknesses":115,"weaknessesCount":114,"isActivelyExploited":4,"cisaInfo":124,"otxData":27,"relatedBlogPosts":125,"seoMetadata":126,"configurations":151,"relatedVendorCves":204,"notableEvents":205},"CVE-2021-22681","What is CVE-2021-22681?","Rockwell Automation Studio 5000 Logix Designer Versions 21 and later, and RSLogix 5000 Versions 16 through 20 use a key to verify Logix controllers are communicating with Rockwell Automation CompactLogix 1768, 1769, 5370, 5380, 5480: ControlLogix 5550, 5560, 5570, 5580; DriveLogix 5560, 5730, 1794-L34; Compact GuardLogix 5370, 5380; GuardLogix 5570, 5580; SoftLogix 5800. Rockwell Automation Studio 5000 Logix Designer Versions 21 and later and RSLogix 5000: Versions 16 through 20 are vulnerable because an unauthenticated attacker could bypass this verification mechanism and authenticate with Rockwell Automation CompactLogix 1768, 1769, 5370, 5380, 5480: ControlLogix 5550, 5560, 5570, 5580; DriveLogix 5560, 5730, 1794-L34; Compact GuardLogix 5370, 5380; GuardLogix 5570, 5580; SoftLogix 5800.","Rockwell Automation Studio 5000 Logix Designer Versions 21 and later, and RSLogix 5000 Versions 16 through 20 use a key to verify Logix controllers are 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Rockwell Automation S...","CVE-2021-22681, CVE-2021-22681 vulnerability, CVE-2021-22681 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2021, CVSS score, exploit, patch, remediation, rockwellautomation security, factorytalk_services_platform vulnerability, rslogix_5000 vulnerability, studio_5000_logix_designer vulnerability, compact_guardlogix_5370 vulnerability, compact_guardlogix_5380 vulnerability, high risk vulnerability, actively exploited","\u002Fwhat-is\u002Fcve-2021-22681",{"@context":132,"@type":133,"headline":127,"description":128,"datePublished":10,"dateModified":11,"author":134,"publisher":138,"about":142,"mainEntityOfPage":146,"articleSection":149,"keywords":150},"https:\u002F\u002Fschema.org","TechArticle",{"@type":135,"name":136,"url":137},"Organization","Precursor 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research",[152],{"Operator":153,"Negate":27,"Nodes":154},"AND",[155,168],{"Operator":156,"Negate":27,"CPEMatch":157},"OR",[158,161,165],{"Vulnerable":4,"Criteria":47,"MatchCriteriaID":159,"VersionStartExcluding":27,"VersionStartIncluding":160,"VersionEndExcluding":27,"VersionEndIncluding":27},"6755FCF6-4A0C-478A-AEFF-54E35C45149D","2.10",{"Vulnerable":4,"Criteria":50,"MatchCriteriaID":162,"VersionStartExcluding":27,"VersionStartIncluding":163,"VersionEndExcluding":27,"VersionEndIncluding":164},"04C30129-3F03-4486-B181-EBDE29751372","16","20",{"Vulnerable":4,"Criteria":53,"MatchCriteriaID":166,"VersionStartExcluding":27,"VersionStartIncluding":167,"VersionEndExcluding":27,"VersionEndIncluding":27},"9C840463-A11F-43A0-AA45-1AC810713AB6","21.0",{"Operator":156,"Negate":27,"CPEMatch":169},[170,172,174,176,178,180,182,184,186,188,190,192,194,196,198,200,202],{"Vulnerable":27,"Criteria":57,"MatchCriteriaID":171,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"6F951670-AF4D-4429-8BC1-79BDEF83B2C3",{"Vulnerable":27,"Criteria":60,"MatchCriteriaID":173,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"62414E65-73C7-4172-B7BF-F40A66AFBB90",{"Vulnerable":27,"Criteria":63,"MatchCriteriaID":175,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"2E5F100A-C8A3-49F2-B1D2-411432472B6B",{"Vulnerable":27,"Criteria":66,"MatchCriteriaID":177,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"F8A690BC-4D7C-4B83-A9F6-F860445028A2",{"Vulnerable":27,"Criteria":69,"MatchCriteriaID":179,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"E12ADAE3-97B1-48BC-BE69-ED75667C1886",{"Vulnerable":27,"Criteria":72,"MatchCriteriaID":181,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"EDD040ED-B44C-47D0-B4D4-729C378C4F68",{"Vulnerable":27,"Criteria":75,"MatchCriteriaID":183,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"80F4F5BE-07DF-402A-BF98-34FBA6A11968",{"Vulnerable":27,"Criteria":78,"MatchCriteriaID":185,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"13EE2216-F25F-44AB-A167-4EEA153C8F8D",{"Vulnerable":27,"Criteria":81,"MatchCriteriaID":187,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"EA25FF8D-51C5-4928-9B90-E4BD1476F50B",{"Vulnerable":27,"Criteria":84,"MatchCriteriaID":189,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"482E2CD6-D484-486C-92F4-18432D107E30",{"Vulnerable":27,"Criteria":87,"MatchCriteriaID":191,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"51BB883B-B863-4D57-B1C0-FC7B3EBD1EA0",{"Vulnerable":27,"Criteria":90,"MatchCriteriaID":193,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"4A75A0FD-C337-4264-B1E4-96701851D6FA",{"Vulnerable":27,"Criteria":93,"MatchCriteriaID":195,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"DFDAAA77-6964-44FC-9FFB-ECDF71665965",{"Vulnerable":27,"Criteria":96,"MatchCriteriaID":197,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"03E185C3-17CA-4E3F-863B-9F906C5C59EA",{"Vulnerable":27,"Criteria":99,"MatchCriteriaID":199,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"321AE938-192A-4342-8608-ADC81F0B6582",{"Vulnerable":27,"Criteria":102,"MatchCriteriaID":201,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"006B7683-9FDF-4748-BA28-2EA22613E092",{"Vulnerable":27,"Criteria":105,"MatchCriteriaID":203,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"BDAB7B6D-CCAC-460B-8A88-3397A2397078",[],[206,213],{"id":207,"eventType":208,"eventTime":209,"details":210,"label":211,"color":212},"388f98ea-2a51-47f3-a300-b6ed492f9eed","NEW_CISA","2026-04-01T11:42:48.055073+00:00","CVE 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