CVE-2020-12618

{"id": "CVE-2020-12618", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.2}]}, "published": "2020-08-20T23:15:10.777", "references": [{"url": "https://www.emclient.com/release-history", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.nds.ruhr-uni-bochum.de/media/nds/veroeffentlichungen/2020/08/15/mailto-paper.pdf", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "eM Client before 7.2.33412.0 automatically imported S/MIME certificates and thereby silently replaced existing ones. This allowed a man-in-the-middle attacker to obtain an email-validated S/MIME certificate from a trusted CA and replace the public key of the entity to be impersonated. This enabled the attacker to decipher further communication. The entire attack could be accomplished by sending a single email."}, {"lang": "es", "value": "eM Client versiones anteriores a 7.2.33412.0 importaba autom\u00e1ticamente certificados S/MIME y, por lo tanto, reemplazaba silenciosamente los existentes. Esto permiti\u00f3 a un atacante de tipo man-in-the-middle obtener un certificado S/MIME comprobado por correo electr\u00f3nico de una CA confiable y reemplazar la clave p\u00fablica de la entidad a ser suplantada. Esto permiti\u00f3 al atacante descifrar m\u00e1s comunicaciones. Todo el ataque podr\u00eda ser logrado mediante el env\u00edo de un solo correo electr\u00f3nico."}], "lastModified": "2021-07-21T11:39:23.747", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:emclient:em_client:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "621A7899-13D1-4B07-B782-24495F19A389", "versionEndExcluding": "7.2.33412.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}