{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-10T05:17:02.965","vulnerabilities":[{"cve":{"id":"CVE-2021-38487","sourceIdentifier":"3f572a00-62e2-4423-959a-7ea25eff1638","published":"2022-05-05T17:15:09.857","lastModified":"2025-06-23T12:15:21.893","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"RTI Connext Professional versions 4.1 to 6.1.0, and Connext Micro versions 2.4 and later are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic. This may result in a denial-of-service condition and information exposure."},{"lang":"es","value":"RTI Connext DDS Professional, Connext DDS Secure versiones 4.2x a 6.1.0, y Connext DDS Micro versiones 2.4 y posteriores, son vulnerables cuando un atacante envía un paquete especialmente diseñado para inundar los dispositivos de destino con tráfico no deseado. Esto puede resultar en una condición de denegación de servicio y a una exposición de información"}],"metrics":{"cvssMetricV40":[{"source":"3f572a00-62e2-4423-959a-7ea25eff1638","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"3f572a00-62e2-4423-959a-7ea25eff1638","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","baseScore":8.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":4.2},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","baseScore":9.1,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.2}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:P","baseScore":6.4,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":4.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"3f572a00-62e2-4423-959a-7ea25eff1638","type":"Secondary","description":[{"lang":"en","value":"CWE-406"},{"lang":"en","value":"CWE-923"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:rti:connext_dds_micro:*:*:*:*:*:*:*:*","versionStartIncluding":"2.4","matchCriteriaId":"EFFBCF6A-4512-40EF-9FDF-1462FDE3046A"},{"vulnerable":true,"criteria":"cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.1.0","matchCriteriaId":"AA8B526B-9A03-4C47-B76C-A50F239AA538"},{"vulnerable":true,"criteria":"cpe:2.3:a:rti:connext_secure:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.1.0","matchCriteriaId":"FFD081C5-E43F-4F6A-93F8-1215A075C474"}]}]}],"references":[{"url":"https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F","source":"3f572a00-62e2-4423-959a-7ea25eff1638","tags":["Permissions Required","Vendor Advisory"]},{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02","source":"3f572a00-62e2-4423-959a-7ea25eff1638","tags":["Third Party Advisory","US Government Resource"]},{"url":"https://www.rti.com/vulnerabilities/#cve-2021-38487","source":"3f572a00-62e2-4423-959a-7ea25eff1638"},{"url":"https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Permissions Required","Vendor Advisory"]},{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","US Government Resource"]}]}}]}