{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"OPC Drivers","vendor":"IOServer","versions":[{"lessThanOrEqual":"1.0.20","status":"affected","version":"0","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","value":"Chris Sistrunk of Mandiant and Adam Crain of Automatak"}],"datePublic":"2014-04-10T06:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>The Modbus slave/outstation driver in the OPC Drivers 1.0.20 and earlier in IOServer OPC Server allows remote attackers to cause a denial of service (out-of-bounds read and daemon crash) via a crafted packet.</p>"}],"value":"The Modbus slave/outstation driver in the OPC Drivers 1.0.20 and earlier in IOServer OPC Server allows remote attackers to cause a denial of service (out-of-bounds read and daemon crash) via a crafted packet."}],"metrics":[{"cvssV2_0":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"COMPLETE","baseScore":8.3,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:C","version":"2.0"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","description":"CWE-125","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","shortName":"icscert","dateUpdated":"2025-09-24T21:14:59.224Z"},"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-14-100-01"},{"url":"http://www.ioserver.com/"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>IOServer has produced a new version that mitigates the vulnerability.\n The new version, Beta2112.exe, is available for download here:&nbsp;<a target=\"_blank\" rel=\"nofollow\" href=\"http://www.ioserver.com/\">http://www.ioserver.com/</a></p>\n\n<br>"}],"value":"IOServer has produced a new version that mitigates the vulnerability.\n The new version, Beta2112.exe, is available for download here:  http://www.ioserver.com/"}],"source":{"advisory":"ICSA-14-100-01","discovery":"EXTERNAL"},"title":"OServer Out of Bounds Read","x_generator":{"engine":"Vulnogram 0.2.0"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"ics-cert@hq.dhs.gov","ID":"CVE-2014-0777","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"The Modbus slave/outstation driver in the OPC Drivers 1.0.20 and earlier in IOServer OPC Server allows remote attackers to cause a denial of service (out-of-bounds read and daemon crash) via a crafted packet."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"http://ics-cert.us-cert.gov/advisories/ICSA-14-100-01","refsource":"MISC","url":"http://ics-cert.us-cert.gov/advisories/ICSA-14-100-01"}]}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-06T09:27:19.502Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"http://ics-cert.us-cert.gov/advisories/ICSA-14-100-01"}]}]},"cveMetadata":{"assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","assignerShortName":"icscert","cveId":"CVE-2014-0777","datePublished":"2014-04-11T16:00:00.000Z","dateReserved":"2014-01-02T00:00:00.000Z","dateUpdated":"2025-09-24T21:14:59.224Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}