CVE-2020-1955

{"containers": {"cna": {"affected": [{"product": "Apache CouchDB", "vendor": "n/a", "versions": [{"status": "affected", "version": "Apache CouchDB 3.0.0"}]}], "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"description": "Remote Privilege Escalation", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-05-20T13:53:44.000Z", "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://docs.couchdb.org/en/master/cve/2020-1955.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@apache.org", "ID": "CVE-2020-1955", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Apache CouchDB", "version": {"version_data": [{"version_value": "Apache CouchDB 3.0.0"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Remote Privilege Escalation"}]}]}, "references": {"reference_data": [{"name": "https://docs.couchdb.org/en/master/cve/2020-1955.html", "refsource": "MISC", "url": "https://docs.couchdb.org/en/master/cve/2020-1955.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T06:54:00.400Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://docs.couchdb.org/en/master/cve/2020-1955.html"}]}]}, "cveMetadata": {"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "assignerShortName": "apache", "cveId": "CVE-2020-1955", "datePublished": "2020-05-20T13:53:44.000Z", "dateReserved": "2019-12-02T00:00:00.000Z", "dateUpdated": "2024-08-04T06:54:00.400Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Apache CouchDB", "vendor": "n/a", "versions": [{"status": "affected", "version": "Apache CouchDB 3.0.0"}]}], "source": "security@apache.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:couchdb:3.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "6CF039B4-F4AB-4A07-9BE5-5FA7C73A23B4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "CouchDB versi\u00f3n 3.0.0, es enviada con una nueva configuraci\u00f3n que rige el control de acceso a todo el servidor de base de datos llamada \"require_valid_user_except_for_up\". Se supon\u00eda que una extensi\u00f3n del antiguo ajuste \"require_valid_user\", que a su vez requiere que todas y cada una de las peticiones hacia CouchDB tengan que hacerse con credenciales v\u00e1lidas, prohibiendo efectivamente cualquier petici\u00f3n an\u00f3nima. El nuevo \"require_valid_user_except_for_up\" es un ajuste desactivado por defecto que se supone que permite requerir credenciales v\u00e1lidas para todos los endpoints excepto para el endpoint \"/_up\". Sin embargo, la implementaci\u00f3n de \u00e9ste cometi\u00f3 un error que conllev\u00f3 a no aplicar las credenciales sobre ning\u00fan endpoint, cuando estaba habilitado. CouchDB versiones 3.0.1[1] y 3.1.0[2] corrige este problema."}], "id": "CVE-2020-1955", "lastModified": "2026-06-17T03:02:42.907", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-05-20T14:15:11.550", "references": [{"source": "security@apache.org", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://docs.couchdb.org/en/master/cve/2020-1955.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://docs.couchdb.org/en/master/cve/2020-1955.html"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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