{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-08-01T07:50:39.286","vulnerabilities":[{"cve":{"id":"CVE-2026-2966","sourceIdentifier":"cna@vuldb.com","published":"2026-02-23T03:15:59.373","lastModified":"2026-06-17T10:32:07.993","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"A weakness has been identified in Cesanta Mongoose up to 7.20. The impacted element is the function mg_sendnsreq of the file /src/dns.c of the component DNS Transaction ID Handler. Executing a manipulation of the argument random can lead to insufficiently random values. The attack can be launched remotely. The attack requires a high level of complexity. The exploitability is regarded as difficult. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way."},{"lang":"es","value":"Se ha identificado una debilidad en Cesanta Mongoose hasta la versión 7.20. El elemento afectado es la función mg_sendnsreq del archivo /src/dns.c del componente Gestor de ID de Transacción DNS. Ejecutar el  argumento random manipulado puede conducir a valores insuficientemente aleatorios. El ataque puede lanzarse de forma remota. El ataque tiene un nivel de complejidad alto y se considera difícil de explotar. El exploit se ha puesto a disposición del público y podría usarse para ataques. Se contactó al proveedor con antelación sobre esta divulgación, pero no respondió de ninguna manera."}],"affected":[{"source":"cna@vuldb.com","affectedData":[{"vendor":"Cesanta","product":"Mongoose","cpes":["cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:*"],"modules":["DNS Transaction ID Handler"],"versions":[{"version":"7.0","status":"affected"},{"version":"7.1","status":"affected"},{"version":"7.2","status":"affected"},{"version":"7.3","status":"affected"},{"version":"7.4","status":"affected"},{"version":"7.5","status":"affected"},{"version":"7.6","status":"affected"},{"version":"7.7","status":"affected"},{"version":"7.8","status":"affected"},{"version":"7.9","status":"affected"},{"version":"7.10","status":"affected"},{"version":"7.11","status":"affected"},{"version":"7.12","status":"affected"},{"version":"7.13","status":"affected"},{"version":"7.14","status":"affected"},{"version":"7.15","status":"affected"},{"version":"7.16","status":"affected"},{"version":"7.17","status":"affected"},{"version":"7.18","status":"affected"},{"version":"7.19","status":"affected"},{"version":"7.20","status":"affected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/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":2.9,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"PROOF_OF_CONCEPT","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":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","baseScore":3.7,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.2,"impactScore":1.4}],"cvssMetricV2":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:H/Au:N/C:N/I:P/A:N","baseScore":2.6,"accessVector":"NETWORK","accessComplexity":"HIGH","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"LOW","exploitabilityScore":4.9,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-02-23T13:36:36.825692Z","id":"CVE-2026-2966","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"cna@vuldb.com","type":"Secondary","description":[{"lang":"en","value":"CWE-310"},{"lang":"en","value":"CWE-330"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:*","versionEndIncluding":"7.20","matchCriteriaId":"83B5780A-1BF9-4983-A2BD-0E278131D841"}]}]}],"references":[{"url":"https://github.com/dwBruijn/CVEs/blob/main/Mongoose/mg_sendnsreq.md","source":"cna@vuldb.com","tags":["Exploit","Third Party Advisory"]},{"url":"https://github.com/dwBruijn/CVEs/blob/main/Mongoose/mg_sendnsreq.md#poc","source":"cna@vuldb.com","tags":["Exploit","Third Party Advisory"]},{"url":"https://vuldb.com/?ctiid.347333","source":"cna@vuldb.com","tags":["Permissions Required","VDB Entry"]},{"url":"https://vuldb.com/?id.347333","source":"cna@vuldb.com","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://vuldb.com/?submit.755304","source":"cna@vuldb.com","tags":["Third Party Advisory","VDB Entry"]}]}}]}