CVE-2023-28370

Publication date 25 May 2023

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
python-tornado	25.10 questing	Not affected
	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Fixed 6.2.0-3ubuntu0.1
	22.10 kinetic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Fixed 6.1.0-3ubuntu0.1~esm1
	20.04 LTS focal	Fixed 6.0.3+really5.1.1-3ubuntu0.1~esm1
	18.04 LTS bionic	Fixed 4.5.3-1ubuntu0.2+esm1
	16.04 LTS xenial	Fixed 4.2.1-1ubuntu3.1+esm1
	14.04 LTS trusty	Ignored end of standard support
salt	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	23.04 lunar	Not in release
	22.10 kinetic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Needs evaluation
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Needs evaluation
	16.04 LTS xenial	Needs evaluation
	14.04 LTS trusty	Needs evaluation

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Notes

rodrigo-zaiden

until salt version v3006.1, tornado source was included as vendored code.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
python-tornado	Upstream: 32ad07c

Severity score breakdown

Parameter	Value
Base score	6.1 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Changed
Confidentiality	Low
Integrity impact	Low
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N