{"history":[{"alert":0,"cve":"CVE-2021-38406","id":22322,"kind":"epss","observed_at":1794500401,"payload":"{\"date\": \"2026-11-12\", \"epss\": 0.76428, \"percentile\": 0.99547}"},{"alert":0,"cve":"CVE-2021-38406","id":19781,"kind":"epss","observed_at":1794327601,"payload":"{\"date\": \"2026-11-10\", \"epss\": 0.76428, \"percentile\": 0.99544}"},{"alert":0,"cve":"CVE-2021-38406","id":17747,"kind":"epss","observed_at":1794241201,"payload":"{\"date\": \"2026-11-09\", \"epss\": 0.76428, \"percentile\": 0.99544}"},{"alert":0,"cve":"CVE-2021-38406","id":15811,"kind":"epss","observed_at":1794154800,"payload":"{\"date\": \"2026-11-08\", \"epss\": 0.76428, \"percentile\": 0.99543}"},{"alert":0,"cve":"CVE-2021-38406","id":13789,"kind":"epss","observed_at":1794068402,"payload":"{\"date\": \"2026-11-07\", \"epss\": 0.76428, \"percentile\": 0.99543}"},{"alert":0,"cve":"CVE-2021-38406","id":11571,"kind":"epss","observed_at":1793982001,"payload":"{\"date\": \"2026-11-06\", \"epss\": 0.76428, \"percentile\": 0.99543}"},{"alert":0,"cve":"CVE-2021-38406","id":9557,"kind":"epss","observed_at":1793938800,"payload":"{\"date\": \"2026-11-05\", \"epss\": 0.76428, \"percentile\": 0.99543}"},{"alert":1,"cve":"CVE-2021-38406","id":8401,"kind":"cna","observed_at":1793852400,"payload":"{\"containers\": {\"adp\": [{\"providerMetadata\": {\"dateUpdated\": \"2024-08-04T01:37:16.611Z\", \"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\"}, \"references\": [{\"tags\": [\"x_refsource_MISC\", \"x_transferred\"], \"url\": \"https://us-cert.cisa.gov/ics/advisories/icsa-21-252-02\"}], \"title\": \"CVE Program Container\"}, {\"metrics\": [{\"other\": {\"content\": {\"id\": \"CVE-2021-38406\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"role\": \"CISA Coordinator\", \"timestamp\": \"2025-02-04T14:44:03.809123Z\", \"version\": \"2.0.3\"}, \"type\": \"ssvc\"}}, {\"other\": {\"content\": {\"dateAdded\": \"2022-08-25\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38406\"}, \"type\": \"kev\"}}], \"providerMetadata\": {\"dateUpdated\": \"2025-10-21T23:25:32.113Z\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\"}, \"references\": [{\"tags\": [\"government-resource\"], \"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38406\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2022-08-25T00:00:00.000Z\", \"value\": \"CVE-2021-38406 added to CISA KEV\"}], \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"affected\": [{\"product\": \"DOPSoft 2\", \"vendor\": \"Delta Electronics\", \"versions\": [{\"lessThanOrEqual\": \"2.00.07\", \"status\": \"affected\", \"version\": \"unspecified\", \"versionType\": \"custom\"}]}], \"credits\": [{\"lang\": \"en\", \"value\": \"kimiya, working with Trend Micro\\u2019s Zero Day Initiative\"}], \"datePublic\": \"2021-09-09T00:00:00.000Z\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could result in multiple out-of-bounds write instances. An attacker could leverage this vulnerability to execute code in the context of the current process.\"}], \"metrics\": [{\"cvssV3_1\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"LOCAL\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"REQUIRED\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\", \"version\": \"3.1\"}}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-787\", \"description\": \"CWE-787 Out-of-bounds Write\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2021-09-17T18:54:29.000Z\", \"orgId\": \"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6\", \"shortName\": \"icscert\"}, \"references\": [{\"tags\": [\"x_refsource_MISC\"], \"url\": \"https://us-cert.cisa.gov/ics/advisories/icsa-21-252-02\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"DOPSoft 2 will not receive an update to mitigate these vulnerabilities because it is an end-of-life product. Delta Electronics recommends users to switch to the replacement software when available\"}], \"source\": {\"advisory\": \"ICSA-21-252-02\", \"discovery\": \"UNKNOWN\"}, \"title\": \"Delta Electronics DOPSoft 2 Out-of-Bounds Write\", \"x_generator\": {\"engine\": \"Vulnogram 0.0.9\"}, \"x_legacyV4Record\": {\"CVE_data_meta\": {\"ASSIGNER\": \"ics-cert@hq.dhs.gov\", \"DATE_PUBLIC\": \"2021-09-09T14:34:00.000Z\", \"ID\": \"CVE-2021-38406\", \"STATE\": \"PUBLIC\", \"TITLE\": \"Delta Electronics DOPSoft 2 Out-of-Bounds Write\"}, \"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"product_name\": \"DOPSoft 2\", \"version\": {\"version_data\": [{\"version_affected\": \"<=\", \"version_value\": \"2.00.07\"}]}}]}, \"vendor_name\": \"Delta Electronics\"}]}}, \"credit\": [{\"lang\": \"eng\", \"value\": \"kimiya, working with Trend Micro\\u2019s Zero Day Initiative\"}], \"data_format\": \"MITRE\", \"data_type\": \"CVE\", \"data_version\": \"4.0\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could result in multiple out-of-bounds write instances. An attacker could leverage this vulnerability to execute code in the context of the current process.\"}]}, \"generator\": {\"engine\": \"Vulnogram 0.0.9\"}, \"impact\": {\"cvss\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"LOCAL\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"REQUIRED\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\", \"version\": \"3.1\"}}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"CWE-787 Out-of-bounds Write\"}]}]}, \"references\": {\"reference_data\": [{\"name\": \"https://us-cert.cisa.gov/ics/advisories/icsa-21-252-02\", \"refsource\": \"MISC\", \"url\": \"https://us-cert.cisa.gov/ics/advisories/icsa-21-252-02\"}]}, \"solution\": [{\"lang\": \"en\", \"value\": \"DOPSoft 2 will not receive an update to mitigate these vulnerabilities because it is an end-of-life product. Delta Electronics recommends users to switch to the replacement software when available\"}], \"source\": {\"advisory\": \"ICSA-21-252-02\", \"discovery\": \"UNKNOWN\"}}}}, \"cveMetadata\": {\"assignerOrgId\": \"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6\", \"assignerShortName\": \"icscert\", \"cveId\": \"CVE-2021-38406\", \"datePublished\": \"2021-09-17T18:54:29.386Z\", \"dateReserved\": \"2021-08-10T00:00:00.000Z\", \"dateUpdated\": \"2025-10-21T23:25:32.113Z\", \"state\": \"PUBLISHED\"}, \"dataType\": \"CVE_RECORD\", \"dataVersion\": \"5.1\"}"},{"alert":0,"cve":"CVE-2021-38406","id":7105,"kind":"epss","observed_at":1793809200,"payload":"{\"date\": \"2026-11-04\", \"epss\": 0.76428, \"percentile\": 0.99542}"},{"alert":0,"cve":"CVE-2021-38406","id":4882,"kind":"epss","observed_at":1793722800,"payload":"{\"date\": \"2026-11-03\", \"epss\": 0.76428, \"percentile\": 0.99542}"},{"alert":0,"cve":"CVE-2021-38406","id":2664,"kind":"epss","observed_at":1793665375,"payload":"{\"date\": \"2026-11-02\", \"epss\": 0.76428, \"percentile\": 0.99541}"},{"alert":1,"cve":"CVE-2021-38406","id":962,"kind":"kev","observed_at":1793665375,"payload":"{\"cveID\": \"CVE-2021-38406\", \"cwes\": [\"CWE-787\"], \"dateAdded\": \"2022-08-25\", \"dueDate\": \"2022-09-15\", \"forensicTriage\": \"No\", \"knownRansomwareCampaignUse\": \"Unknown\", \"notes\": \"https://www.cisa.gov/uscert/ics/advisories/icsa-21-252-02; https://nvd.nist.gov/vuln/detail/CVE-2021-38406\", \"product\": \"DOPSoft 2\", \"requiredAction\": \"The impacted product is end-of-life and should be disconnected if still in use.\", \"shortDescription\": \"Delta Electronics DOPSoft 2 lacks proper validation of user-supplied data when parsing specific project files (improper input validation) resulting in an out-of-bounds write that allows for code execution.\", \"vendorProject\": \"Delta Electronics\", \"vulnerabilityName\": \"Delta Electronics DOPSoft 2 Improper Input Validation Vulnerability\"}"}],"record":{"affected":[{"product":"DOPSoft 2","vendor":"Delta Electronics","versions":[{"lessThanOrEqual":"2.00.07","status":"affected","version":"unspecified","versionType":"custom"}]}],"cna":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-04T01:37:16.611Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-252-02"}],"title":"CVE Program Container"},{"metrics":[{"other":{"content":{"id":"CVE-2021-38406","options":[{"Exploitation":"active"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2025-02-04T14:44:03.809123Z","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2022-08-25","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38406"},"type":"kev"}}],"providerMetadata":{"dateUpdated":"2025-10-21T23:25:32.113Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38406"}],"timeline":[{"lang":"en","time":"2022-08-25T00:00:00.000Z","value":"CVE-2021-38406 added to CISA KEV"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"DOPSoft 2","vendor":"Delta Electronics","versions":[{"lessThanOrEqual":"2.00.07","status":"affected","version":"unspecified","versionType":"custom"}]}],"credits":[{"lang":"en","value":"kimiya, working with Trend Micro\u2019s Zero Day Initiative"}],"datePublic":"2021-09-09T00:00:00.000Z","descriptions":[{"lang":"en","value":"Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could result in multiple out-of-bounds write instances. An attacker could leverage this vulnerability to execute code in the context of the current process."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-09-17T18:54:29.000Z","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","shortName":"icscert"},"references":[{"tags":["x_refsource_MISC"],"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-252-02"}],"solutions":[{"lang":"en","value":"DOPSoft 2 will not receive an update to mitigate these vulnerabilities because it is an end-of-life product. Delta Electronics recommends users to switch to the replacement software when available"}],"source":{"advisory":"ICSA-21-252-02","discovery":"UNKNOWN"},"title":"Delta Electronics DOPSoft 2 Out-of-Bounds Write","x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"ics-cert@hq.dhs.gov","DATE_PUBLIC":"2021-09-09T14:34:00.000Z","ID":"CVE-2021-38406","STATE":"PUBLIC","TITLE":"Delta Electronics DOPSoft 2 Out-of-Bounds Write"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"DOPSoft 2","version":{"version_data":[{"version_affected":"<=","version_value":"2.00.07"}]}}]},"vendor_name":"Delta Electronics"}]}},"credit":[{"lang":"eng","value":"kimiya, working with Trend Micro\u2019s Zero Day Initiative"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could result in multiple out-of-bounds write instances. An attacker could leverage this vulnerability to execute code in the context of the current process."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-787 Out-of-bounds Write"}]}]},"references":{"reference_data":[{"name":"https://us-cert.cisa.gov/ics/advisories/icsa-21-252-02","refsource":"MISC","url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-252-02"}]},"solution":[{"lang":"en","value":"DOPSoft 2 will not receive an update to mitigate these vulnerabilities because it is an end-of-life product. Delta Electronics recommends users to switch to the replacement software when available"}],"source":{"advisory":"ICSA-21-252-02","discovery":"UNKNOWN"}}}},"cveMetadata":{"assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","assignerShortName":"icscert","cveId":"CVE-2021-38406","datePublished":"2021-09-17T18:54:29.386Z","dateReserved":"2021-08-10T00:00:00.000Z","dateUpdated":"2025-10-21T23:25:32.113Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"cna_checked":1794349204,"cve":"CVE-2021-38406","description":"Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could result in multiple out-of-bounds write instances. An attacker could leverage this vulnerability to execute code in the context of the current process.","epss":{"date":"2026-11-12","epss":0.76428,"percentile":0.99547},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2021-38406","cwes":["CWE-787"],"dateAdded":"2022-08-25","dueDate":"2022-09-15","forensicTriage":"No","knownRansomwareCampaignUse":"Unknown","notes":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-252-02; https://nvd.nist.gov/vuln/detail/CVE-2021-38406","product":"DOPSoft 2","requiredAction":"The impacted product is end-of-life and should be disconnected if still in use.","shortDescription":"Delta Electronics DOPSoft 2 lacks proper validation of user-supplied data when parsing specific project files (improper input validation) resulting in an out-of-bounds write that allows for code execution.","vendorProject":"Delta Electronics","vulnerabilityName":"Delta Electronics DOPSoft 2 Improper Input Validation Vulnerability"},"kev_checked":1794522003,"products":"Delta Electronics DOPSoft 2","references":["https://us-cert.cisa.gov/ics/advisories/icsa-21-252-02","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38406"],"score":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","provider":"icscert","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"solutions":"DOPSoft 2 will not receive an update to mitigate these vulnerabilities because it is an end-of-life product. Delta Electronics recommends users to switch to the replacement software when available","state":"PUBLISHED","title":"Delta Electronics DOPSoft 2 Out-of-Bounds Write","updated_at":1794500401,"workarounds":""},"sources":[]}
