CVE-2021-25276

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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:solarwinds:serv-u:*:*:*:*:*:*:*:*", "matchCriteriaId": "B87891C6-CFA7-42B6-9EB8-B313B08D6266", "versionEndExcluding": "15.2.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:solarwinds:serv-u:15.2.2:-:*:*:*:*:*:*", "matchCriteriaId": "ED0B8AD1-FE25-4C0D-B75C-4DE0EC276DC6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In SolarWinds Serv-U before 15.2.2 Hotfix 1, there is a directory containing user profile files (that include users' password hashes) that is world readable and writable. An unprivileged Windows user (having access to the server's filesystem) can add an FTP user by copying a valid profile file to this directory. For example, if this profile sets up a user with a C:\\ home directory, then the attacker obtains access to read or replace arbitrary files with LocalSystem privileges."}, {"lang": "es", "value": "En SolarWinds Serv-U versiones anteriores a 15.2.2 Hotfix 1, se presenta un directorio que contiene archivos de perfil de usuario (que incluyen hash de contrase\u00f1a de usuario) que se puede leer y escribir por todo el mundo. Un usuario no privilegiado de Windows (que tenga acceso al sistema de archivos del servidor) puede agregar un usuario FTP al copiar un archivo de perfil v\u00e1lido en este directorio. Por ejemplo, si este perfil configura a un usuario con un directorio C:\\ home, el atacante obtiene acceso para leer o reemplazar archivos arbitrarios con privilegios LocalSystem"}], "id": "CVE-2021-25276", "lastModified": "2026-06-17T03:41:45.250", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 3.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-03T17:15:16.637", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/full-system-control-with-new-solarwinds-orion-based-and-serv-u-ftp-vulnerabilities/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/full-system-control-with-new-solarwinds-orion-based-and-serv-u-ftp-vulnerabilities/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-732"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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