{"schemaVersion":3,"id":"CVE-2011-4051","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"CEServer.exe in the CEServer component in the Remote Agent module in InduSoft Web Studio 6.1 and 7.0 does not require authentication, which allows remote attackers to execute arbitrary code via vectors related to creation of a file, loading a DLL, and process control.","dates":{"published":"2011-12-05T11:00:00.000Z","modified":"2024-09-17T00:01:05.313Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":10,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":10,"severity":"high","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.69095,"percentile":0.99354,"severity":"critical","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.69095},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.69095,"percentile":0.99354}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.69095,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.69095,"percentile":0.99354}]},"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":"21837","name":"InduSoft Web Studio - Arbitrary File Upload / Remote Code Execution (Metasploit)","source":"exploit-database","url":"https://www.exploit-db.com/exploits/21837","maturity":"weaponized","reliabilityScore":0.8,"verified":true,"type":"remote","platforms":["windows"],"requiresAuth":null,"exploitdb":{"verified":true,"type":"remote","platform":"windows","file":"exploits/windows/remote/21837.rb","codes":["CVE-2011-4051","OSVDB-77179"]},"metasploit":null},{"id":"MSF_EXPLOIT_WINDOWS_SCADA_INDUSOFT_WEBSTUDIO_EXEC","name":"InduSoft Web Studio Arbitrary Upload Remote Code Execution","source":"metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploit/windows/scada/indusoft_webstudio_exec.rb","maturity":"weaponized","reliabilityScore":1,"verified":true,"type":"remote","platforms":[],"requiresAuth":false,"exploitdb":null,"metasploit":{"fullname":"exploit/windows/scada/indusoft_webstudio_exec","rank":"600","rankName":"excellent","postAuth":false,"check":true,"stability":["unknown-stability"],"sideEffects":["unknown-side-effects"],"reliability":["unknown-reliability"]}}],"exploitCount":2,"weaknesses":[{"id":"CWE-287","name":"Improper Authentication","description":"When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/287.html"}],"affected":[{"vendor":"indusoft","product":"web_studio","name":"Web Studio","label":"web_studio","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"6.1","noFixRecorded":false,"fixedIn":null},{"text":"7.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"6.1 | 7.0","eol":null,"hubHref":"/vendor/indusoft/web_studio"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.us-cert.gov/control_systems/pdf/ICSA-11-319-01.pdf","label":"www.us-cert.gov/control_systems/pdf/ICSA-11-319-01.pdf","hostname":"www.us-cert.gov","tags":["X Refsource MISC","US Government Resource"]},{"url":"http://www.indusoft.com/hotfixes/hotfixes.php","label":"www.indusoft.com/hotfixes/hotfixes.php","hostname":"www.indusoft.com","tags":["X Refsource CONFIRM","Patch"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-11-330/","label":"www.zerodayinitiative.com/advisories/ZDI-11-330/","hostname":"www.zerodayinitiative.com","tags":["X Refsource MISC","Patch"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2011-12-05T11:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-17T00:01:05.313Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":90,"level":"critical","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T00:04:13.455Z","stale":false,"partial":false}}