{"id":"BIT-couchdb-2020-1955","details":"CouchDB version 3.0.0 shipped with a new configuration setting that governs access control to the entire database server called `require_valid_user_except_for_up`. It was meant as an extension to the long standing setting `require_valid_user`, which in turn requires that any and all requests to CouchDB will have to be made with valid credentials, effectively forbidding any anonymous requests. The new `require_valid_user_except_for_up` is an off-by-default setting that was meant to allow requiring valid credentials for all endpoints except for the `/_up` endpoint. However, the implementation of this made an error that lead to not enforcing credentials on any endpoint, when enabled. CouchDB versions 3.0.1[1] and 3.1.0[2] fix this issue.","aliases":["CVE-2020-1955"],"modified":"2026-09-08T08:46:02.274760855Z","published":"2024-03-06T10:51:42.871Z","database_specific":{"severity":"Critical","cpes":["cpe:2.3:a:apache:couchdb:3.0.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:couchdb:*:*:*:*:*:*:*:*"]},"references":[{"type":"ADVISORY","url":"https://docs.couchdb.org/en/master/cve/2020-1955.html"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1955"}],"affected":[{"package":{"name":"couchdb","ecosystem":"Bitnami","purl":"pkg:bitnami/couchdb"},"ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0"},{"fixed":"3.0.1"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/couchdb/BIT-couchdb-2020-1955.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}],"schema_version":"1.9.0"}