CVE-2022-21712

Name: CVE-2022-21712
Creator: NVD / NIST
Published: 2022-02-07T22:15:08.587+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.42%

Last modified Jun 17, 2026

CVE-2022-21712 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. twisted is an event-driven networking engine written in Python. In affected versions twisted exposes cookies and authorization headers when following cross-origin redirects. EPSS estimates a 1.42% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.42%

69.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Twisted	Twisted	>= 11.1.0, < 22.1.0
Debian	Debian Linux	9.0
Fedoraproject	Fedora	35
Fedoraproject	Fedora	36

References

https://github.com/twisted/twisted/commit/af8fe78542a6f2bf2235ccee8158d9c88d31e8e2Patch, Third Party Advisory
https://github.com/twisted/twisted/releases/tag/twisted-22.1.0Release Notes, Third Party Advisory
https://github.com/twisted/twisted/security/advisories/GHSA-92x2-jw7w-xvvxThird Party Advisory
https://github.com/twisted/twisted/commit/af8fe78542a6f2bf2235ccee8158d9c88d31e8e2Patch, Third Party Advisory
https://github.com/twisted/twisted/releases/tag/twisted-22.1.0Release Notes, Third Party Advisory
https://github.com/twisted/twisted/security/advisories/GHSA-92x2-jw7w-xvvxThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/02/msg00021.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6/
https://security.gentoo.org/glsa/202301-02

Timeline

Published: Feb 7, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-21712?

How severe is CVE-2022-21712?

CVE-2022-21712 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.42% probability of exploitation in the next 30 days.

How do I fix CVE-2022-21712?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-21712?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST