CVE-2020-26034

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*", "matchCriteriaId": "0DA96224-D95E-4967-A932-F42B7E93F83D", "versionEndExcluding": "3.4.1", "versionStartIncluding": "1.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An account-enumeration issue was discovered in Zammad before 3.4.1. The Create User functionality is implemented in a way that would enable an anonymous user to guess valid user email addresses. The application responds differently depending on whether the input supplied was recognized as associated with a valid user."}, {"lang": "es", "value": "Se detect\u00f3 un problema de enumeraci\u00f3n de cuentas en Zammad versiones anteriores a 3.4.1. La funcionalidad Create User es implementada de una manera que permitir\u00eda a un usuario an\u00f3nimo adivinar direcciones de correo electr\u00f3nico de usuario v\u00e1lidas. La aplicaci\u00f3n responde de forma diferente dependiendo de si la entrada suministrada fue reconocida como asociada con un usuario v\u00e1lido"}], "id": "CVE-2020-26034", "lastModified": "2026-06-17T03:07:30.077", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-12-28T08:15:11.427", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://zammad.com/news/security-advisory-zaa-2020-14"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://zammad.com/news/security-advisory-zaa-2020-14"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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