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CVE-2023-28370: Open redirect in Tornado

May 25, 2023 (updated November 4, 2025)

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.

References

  • github.com/advisories/GHSA-hj3f-6gcp-jg8j
  • github.com/pypa/advisory-database/tree/main/vulns/tornado/PYSEC-2023-75.yaml
  • github.com/tornadoweb/tornado
  • github.com/tornadoweb/tornado/commit/32ad07c54e607839273b4e1819c347f5c8976b2f
  • github.com/tornadoweb/tornado/releases/tag/v6.3.2
  • jvn.jp/en/jp/JVN45127776
  • lists.debian.org/debian-lts-announce/2025/01/msg00000.html
  • nvd.nist.gov/vuln/detail/CVE-2023-28370

Code Behaviors & Features

Detect and mitigate CVE-2023-28370 with GitLab Dependency Scanning

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Affected versions

All versions before 6.3.2

Fixed versions

  • 6.3.2

Solution

Upgrade to version 6.3.2 or above.

Impact 6.1 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-601: URL Redirection to Untrusted Site ('Open Redirect')

Source file

pypi/tornado/CVE-2023-28370.yml

Spotted a mistake? Edit the file on GitLab.

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