{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-19T08:08:19.015","vulnerabilities":[{"cve":{"id":"CVE-2021-25635","sourceIdentifier":"security@documentfoundation.org","published":"2025-03-21T15:15:35.707","lastModified":"2025-12-10T19:18:58.750","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"An Improper Certificate Validation vulnerability in LibreOffice allowed \nan attacker to self sign an ODF document, with a signature untrusted by \nthe target, then modify it to change the signature algorithm to an \ninvalid (or unknown to LibreOffice) algorithm and LibreOffice would incorrectly present such a signature with an unknown algorithm as a \nvalid signature issued by a trusted person\n\n\nThis issue affects LibreOffice: from 7.0 before 7.0.5, from 7.1 before 7.1.1."},{"lang":"es","value":"Una vulnerabilidad de validación de certificado incorrecta en LibreOffice permitió a un atacante autofirmar un documento ODF, con una firma que no era de confianza para el destino, y luego modificarlo para cambiar el algoritmo de firma a uno no válido (o desconocido para LibreOffice) y LibreOffice presentaría incorrectamente dicha firma con un algoritmo desconocido como una firma válida emitida por una persona confiable. Este problema afecta a LibreOffice: desde 7.0 antes de 7.0.5, desde 7.1 antes de 7.1.1."}],"metrics":{"cvssMetricV40":[{"source":"security@documentfoundation.org","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H/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":5.2,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","subAvailabilityImpact":"HIGH","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":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"security@documentfoundation.org","type":"Secondary","description":[{"lang":"en","value":"CWE-295"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0.0","versionEndExcluding":"7.0.5.1","matchCriteriaId":"12D2CA40-15EE-4996-B754-CCD7128B4FDD"},{"vulnerable":true,"criteria":"cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1.0.0","versionEndIncluding":"7.1.1.1","matchCriteriaId":"381AA7ED-22CB-4BC0-8DF5-6CE16A741C26"}]}]}],"references":[{"url":"https://www.libreoffice.org/about-us/security/advisories/cve-2021-25635/","source":"security@documentfoundation.org","tags":["Vendor Advisory"]}]}}]}