← Vulnerability feed

Vulnerability record · CVE-2023-28370 · published 25 May 2023

CVE-2023-28370: Tornadoweb tornado open redirect vulnerability

Tornadoweb · Tornado

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.

6.1 CVSS 3.1 Medium EPSS 1.1% · top 34.6% CWE-601 · Open redirect
6.1CVSS 3.1 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References
17 Jun 2026Last modified by NVD

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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/tornadoweb/tornado/releases/tag/v6.3.2 Product
https://jvn.jp/en/jp/JVN45127776/ Third Party Advisory
https://github.com/tornadoweb/tornado/releases/tag/v6.3.2 Product
https://jvn.jp/en/jp/JVN45127776/ Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/01/msg00000.html

Track CVE-2023-28370 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.7CVE-2026-31958Tornadoweb tornado uncontrolled resource consumption vulnerabilityTornado is a Python web framework and asynchronous networking library. In versions of Tornado prior to 6.5.5, the only limit on the number of parts i…EPSS 0.49%7.5CVE-2025-67726Tornadoweb tornado uncontrolled resource consumption vulnerabilityTornado is a Python web framework and asynchronous networking library. Versions 6.5.2 and below use an inefficient algorithm when parsing parameters …EPSS 0.53%7.5CVE-2025-67725Tornadoweb tornado uncontrolled resource consumption vulnerabilityTornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, a single maliciously crafted HTTP request can blo…EPSS 0.56%7.5CVE-2025-47287Tornadoweb tornado allocation without limits vulnerabilityTornado is a Python web framework and asynchronous networking library. When Tornado's ``multipart/form-data`` parser encounters certain errors, it lo…EPSS 0.74%7.5CVE-2024-52804Tornadoweb tornado uncontrolled resource consumption vulnerabilityTornado is a Python web framework and asynchronous networking library. The algorithm used for parsing HTTP cookies in Tornado versions prior to 6.4.2…EPSS 1.0%6.5CVE-2014-9720Tornadoweb tornado observable discrepancy vulnerabilityTornado before 3.2.2 sends arbitrary responses that contain a fixed CSRF token and may be sent with HTTP compression, which makes it easier for remot…EPSS 2.5%6.1CVE-2025-67724Tornadoweb tornado cross-site scripting vulnerabilityTornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied reason phrase is used unescaped in H…EPSS 0.24%5.3CVE-2026-35536Tornadoweb tornado vulnerabilityIn Tornado before 6.5.5, cookie attribute injection could occur because the domain, path, and samesite arguments to .RequestHandler.set_cookie were n…EPSS 0.29%

Source: NIST National Vulnerability Database (record CVE-2023-28370), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.