{"cve":"CVE-2023-28370","nvd":{"published":"2023-05-25T10:15:09.750","modified":"2026-06-17T05:47:34.070","status":"Modified","description":"Open redirect vulnerability in Tornado versions 6.3.1 and earlier allows a remote unauthenticated attacker to redirect a user to an arbitrary web site and conduct a phishing attack by having user access a specially crafted URL.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-601"],"references":["https://github.com/tornadoweb/tornado/releases/tag/v6.3.2","https://jvn.jp/en/jp/JVN45127776/","https://github.com/tornadoweb/tornado/releases/tag/v6.3.2","https://jvn.jp/en/jp/JVN45127776/","https://lists.debian.org/debian-lts-announce/2025/01/msg00000.html"],"products":["tornadoweb:tornado"],"source":"nvd","synced_at":"2026-10-19T21:38:18.424950729+00:00"},"epss":{"cve":"CVE-2023-28370","score":0.01142,"percentile":0.66683,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-hj3f-6gcp-jg8j","url":"https://osv.dev/vulnerability/GHSA-hj3f-6gcp-jg8j","summary":"Open redirect in Tornado","modified":"2025-11-04T16:49:24.962077Z","packages":[{"ecosystem":"PyPI","name":"tornado","purl":"pkg:pypi/tornado","ranges":["<6.3.2"],"fixed":["6.3.2"]}]},{"id":"PYSEC-2023-75","url":"https://osv.dev/vulnerability/PYSEC-2023-75","summary":"","modified":"2026-06-10T17:02:44.374946391Z","packages":[{"ecosystem":"PyPI","name":"tornado","purl":"pkg:pypi/tornado","ranges":["<6.3.2"],"fixed":["6.3.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}