{"schemaVersion":3,"id":"CVE-2012-0221","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The FactoryTalk (FT) RNADiagReceiver service in Rockwell Automation Allen-Bradley FactoryTalk CPR9 through SR5 and RSLogix 5000 17 through 20 does not properly handle the return value from an unspecified function, which allows remote attackers to cause a denial of service (service outage) via a crafted packet.","dates":{"published":"2012-04-02T18:00:00.000Z","modified":"2024-09-17T01:11:29.822Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5,"severity":"medium","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.1021,"percentile":0.95663,"severity":"medium","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.1021},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.1021,"percentile":0.95663}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.1021,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.1021,"percentile":0.95663}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"36570","name":"Rockwell Automation FactoryTalk Activation Server - Multiple Denial of Service Vulnerabilities","source":"exploit-database","url":"https://www.exploit-db.com/exploits/36570","maturity":"poc","reliabilityScore":0.8,"verified":true,"type":"dos","platforms":["multiple"],"requiresAuth":null,"exploitdb":{"verified":true,"type":"dos","platform":"multiple","file":"exploits/multiple/dos/36570.txt","codes":["CVE-2012-0221","OSVDB-78353"]},"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"}],"affected":[{"vendor":"rockwellautomation","product":"factorytalk","name":"factorytalk","label":"factorytalk","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"cpr9","noFixRecorded":false,"fixedIn":null},{"text":"cpr9_sr5","noFixRecorded":false,"fixedIn":null}],"versionsText":"cpr9 | cpr9_sr5","eol":null,"hubHref":"/vendor/rockwellautomation/factorytalk"},{"vendor":"rockwellautomation","product":"rslogix_5000","name":"rslogix 5000","label":"rslogix_5000","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"17","noFixRecorded":false,"fixedIn":null},{"text":"18","noFixRecorded":false,"fixedIn":null},{"text":"19","noFixRecorded":false,"fixedIn":null},{"text":"20","noFixRecorded":false,"fixedIn":null}],"versionsText":"17 | 18 | 19 | 20","eol":null,"hubHref":"/vendor/rockwellautomation/rslogix_5000"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://rockwellautomation.custhelp.com/app/answers/detail/a_id/469937","label":"rockwellautomation.custhelp.com/app/answers/detail/a_id/469937","hostname":"rockwellautomation.custhelp.com","tags":["X Refsource MISC"]},{"url":"http://www.us-cert.gov/control_systems/pdf/ICSA-12-088-01.pdf","label":"www.us-cert.gov/control_systems/pdf/ICSA-12-088-01.pdf","hostname":"www.us-cert.gov","tags":["X Refsource MISC","US Government Resource"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2012-04-02T18:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-17T01:11:29.822Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":32,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T09:51:27.115Z","stale":false,"partial":false}}