{"api_version":"1","generated_at":"2026-04-22T23:22:14+00:00","cve":"CVE-2023-42457","urls":{"html":"https://cve.report/CVE-2023-42457","api":"https://cve.report/api/cve/CVE-2023-42457.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-42457","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-42457"},"summary":{"title":"CVE-2023-42457","description":"plone.rest allows users to use HTTP verbs such as GET, POST, PUT, DELETE, etc. in Plone. Starting in the 2.x branch and prior to versions 2.0.1 and 3.0.1, when the `++api++` traverser is accidentally used multiple times in a url, handling it takes increasingly longer, making the server less responsive. Patches are available in `plone.rest` 2.0.1 and 3.0.1.  Series 1.x is not affected. As a workaround, one may redirect `/++api++/++api++` to `/++api++` in one's frontend web server (nginx, Apache).","state":"PUBLIC","assigner":"security-advisories@github.com","published_at":"2023-09-21 15:15:00","updated_at":"2023-09-25 18:53:00"},"problem_types":["CWE-770"],"metrics":[],"references":[{"url":"https://github.com/plone/plone.rest/commit/77846a9842889b24f35e8bedc2e9d461388d3302","name":"https://github.com/plone/plone.rest/commit/77846a9842889b24f35e8bedc2e9d461388d3302","refsource":"MISC","tags":[],"title":"Merge pull request from GHSA-h6rp-mprm-xgcq · plone/plone.rest@77846a9 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/plone/plone.rest/security/advisories/GHSA-h6rp-mprm-xgcq","name":"https://github.com/plone/plone.rest/security/advisories/GHSA-h6rp-mprm-xgcq","refsource":"MISC","tags":[],"title":"Denial of Service when ++api++ is used many times · Advisory · plone/plone.rest · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"http://www.openwall.com/lists/oss-security/2023/09/22/2","name":"http://www.openwall.com/lists/oss-security/2023/09/22/2","refsource":"MISC","tags":[],"title":"oss-security - Plone security advisory 2023/09/21","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/plone/plone.rest/commit/43b4a7e86206e237e1de5ca3817ed071575882f7","name":"https://github.com/plone/plone.rest/commit/43b4a7e86206e237e1de5ca3817ed071575882f7","refsource":"MISC","tags":[],"title":"Merge pull request from GHSA-h6rp-mprm-xgcq · plone/plone.rest@43b4a7e · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-42457","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-42457","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"42457","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"plone","cpe5":"rest","cpe6":"2.0.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"42457","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"plone","cpe5":"rest","cpe6":"3.0.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2023-42457","qid":"995360","title":"Python (Pip) Security Update for plone.rest (GHSA-h6rp-mprm-xgcq)"}]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2023-42457","ASSIGNER":"security-advisories@github.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"plone.rest allows users to use HTTP verbs such as GET, POST, PUT, DELETE, etc. in Plone. Starting in the 2.x branch and prior to versions 2.0.1 and 3.0.1, when the `++api++` traverser is accidentally used multiple times in a url, handling it takes increasingly longer, making the server less responsive. Patches are available in `plone.rest` 2.0.1 and 3.0.1.  Series 1.x is not affected. As a workaround, one may redirect `/++api++/++api++` to `/++api++` in one's frontend web server (nginx, Apache).\n"}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-400: Uncontrolled Resource Consumption","cweId":"CWE-400"}]},{"description":[{"lang":"eng","value":"CWE-770: Allocation of Resources Without Limits or Throttling","cweId":"CWE-770"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"plone","product":{"product_data":[{"product_name":"plone.rest","version":{"version_data":[{"version_affected":"=","version_value":">= 2.0.0a1, < 2.0.1"},{"version_affected":"=","version_value":"= 3.0.0"}]}}]}}]}},"references":{"reference_data":[{"url":"https://github.com/plone/plone.rest/security/advisories/GHSA-h6rp-mprm-xgcq","refsource":"MISC","name":"https://github.com/plone/plone.rest/security/advisories/GHSA-h6rp-mprm-xgcq"},{"url":"https://github.com/plone/plone.rest/commit/43b4a7e86206e237e1de5ca3817ed071575882f7","refsource":"MISC","name":"https://github.com/plone/plone.rest/commit/43b4a7e86206e237e1de5ca3817ed071575882f7"},{"url":"https://github.com/plone/plone.rest/commit/77846a9842889b24f35e8bedc2e9d461388d3302","refsource":"MISC","name":"https://github.com/plone/plone.rest/commit/77846a9842889b24f35e8bedc2e9d461388d3302"},{"url":"http://www.openwall.com/lists/oss-security/2023/09/22/2","refsource":"MISC","name":"http://www.openwall.com/lists/oss-security/2023/09/22/2"}]},"source":{"advisory":"GHSA-h6rp-mprm-xgcq","discovery":"UNKNOWN"},"impact":{"cvss":[{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}]}},"nvd":{"publishedDate":"2023-09-21 15:15:00","lastModifiedDate":"2023-09-25 18:53:00","problem_types":["CWE-770"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:plone:rest:3.0.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:plone:rest:2.0.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}