CVE-2022-21712

Publication date 7 February 2022

Last updated 18 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

twisted is an event-driven networking engine written in Python. In affected versions twisted exposes cookies and authorization headers when following cross-origin redirects. This issue is present in the `twited.web.RedirectAgent` and `twisted.web. BrowserLikeRedirectAgent` functions. Users are advised to upgrade. There are no known workarounds.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
twisted	25.10 questing	Fixed 22.1.0-2ubuntu2
	25.04 plucky	Fixed 22.1.0-2ubuntu2
	24.10 oracular	Fixed 22.1.0-2ubuntu2
	24.04 LTS noble	Fixed 22.1.0-2ubuntu2
	23.10 mantic	Fixed 22.1.0-2ubuntu2
	23.04 lunar	Fixed 22.1.0-2ubuntu2
	22.10 kinetic	Fixed 22.1.0-2ubuntu2
	22.04 LTS jammy	Fixed 22.1.0-2ubuntu2
	21.10 impish	Fixed 20.3.0-7ubuntu1.1
	20.04 LTS focal	Fixed 18.9.0-11ubuntu0.20.04.2
	18.04 LTS bionic	Fixed 17.9.0-2ubuntu0.3
	16.04 LTS xenial	Vulnerable
	14.04 LTS trusty	Vulnerable

Patch details

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

Package	Patch details
twisted	Upstream: af8fe78

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

Related Ubuntu Security Notices (USN)

USN-5354-1
Twisted vulnerabilities
30 March 2022