CVE-2021-3986

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{"affected": [{"affectedData": [{"product": "janeczku/calibre-web", "vendor": "janeczku", "versions": [{"lessThanOrEqual": "latest", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@huntr.dev"}, {"affectedData": [{"cpes": ["cpe:2.3:a:calibre-web_project:calibre-web:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "calibre-web", "vendor": "calibre-web_project", "versions": [{"lessThan": "*", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:janeczku:calibre-web:*:*:*:*:*:*:*:*", "matchCriteriaId": "CB86DF8E-5F67-41CA-B657-D8E0A61CD22A", "versionEndExcluding": "0.6.15", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in janeczku/calibre-web allows unauthorized users to view the names of private shelves belonging to other users. This issue occurs in the file shelf.py at line 221, where the name of the shelf is exposed in an error message when a user attempts to remove a book from a shelf they do not own. This vulnerability discloses private information and affects all versions prior to the fix."}, {"lang": "es", "value": "Una vulnerabilidad en janeczku/calibre-web permite a usuarios no autorizados ver los nombres de los estantes privados que pertenecen a otros usuarios. Este problema se produce en el archivo shelf.py en la l\u00ednea 221, donde el nombre del estante se expone en un mensaje de error cuando un usuario intenta eliminar un libro de un estante que no es de su propiedad. Esta vulnerabilidad revela informaci\u00f3n privada y afecta a todas las versiones anteriores a la correcci\u00f3n."}], "id": "CVE-2021-3986", "lastModified": "2026-06-17T04:06:20.653", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security@huntr.dev", "type": "Secondary"}], "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-3986", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-11-15T18:30:20.257151Z", "version": "2.0.3"}}]}, "published": "2024-11-15T11:15:06.400", "references": [{"source": "security@huntr.dev", "tags": ["Patch"], "url": "https://github.com/janeczku/calibre-web/commit/6f5390ead5df9779ac81fadefffb476e03f93548"}, {"source": "security@huntr.dev", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://huntr.com/bounties/394af194-61a7-4e33-b373-877d4c766fca"}], "sourceIdentifier": "security@huntr.dev", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-209"}], "source": "security@huntr.dev", "type": "Secondary"}]}

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