{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-3987","assignerOrgId":"c09c270a-b464-47c1-9133-acb35b22c19a","state":"PUBLISHED","assignerShortName":"@huntr_ai","dateReserved":"2021-11-20T12:01:47.041Z","datePublished":"2024-11-15T10:52:29.478Z","dateUpdated":"2024-11-15T18:28:12.925Z"},"containers":{"cna":{"title":"Improper Access Control in janeczku/calibre-web","providerMetadata":{"orgId":"c09c270a-b464-47c1-9133-acb35b22c19a","shortName":"@huntr_ai","dateUpdated":"2024-11-15T10:57:09.048Z"},"descriptions":[{"lang":"en","value":"An improper access control vulnerability exists in janeczku/calibre-web. The affected version allows users without public shelf permissions to create public shelves. The vulnerability is due to the `create_shelf` method in `shelf.py` not verifying if the user has the necessary permissions to create a public shelf. This issue can lead to unauthorized actions being performed by users."}],"affected":[{"vendor":"janeczku","product":"janeczku/calibre-web","versions":[{"version":"unspecified","status":"affected","versionType":"custom","lessThanOrEqual":"latest"}]}],"references":[{"url":"https://huntr.com/bounties/29fcc091-87b6-43bc-ab4b-3c0bec3f71df"},{"url":"https://github.com/janeczku/calibre-web/commit/bcdc97641447965af486964537f3821f47b28874"}],"metrics":[{"cvssV3_0":{"version":"3.0","attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","description":"CWE-284 Improper Access Control","cweId":"CWE-284"}]}],"source":{"advisory":"29fcc091-87b6-43bc-ab4b-3c0bec3f71df","discovery":"EXTERNAL"}},"adp":[{"affected":[{"vendor":"calibre-web_project","product":"calibre-web","cpes":["cpe:2.3:a:calibre-web_project:calibre-web:-:*:*:*:*:*:*:*"],"defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"*","versionType":"custom"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-11-15T18:27:02.281125Z","id":"CVE-2021-3987","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-11-15T18:28:12.925Z"}}]}}