Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-21712

25
FAUCET Score

CVE-2022-21712 is a high-severity vulnerability in the Twisted Python networking engine, specifically affecting the twisted.web.RedirectAgent and twisted.web.BrowserLikeRedirectAgent functions. It allows for the exposure of cookies and authorization headers when following cross-origin redirects, impacting various Debian and Fedora distributions that utilize Twisted. The vulnerability has a CVSS score of 7.5, indicating a high potential for confidentiality impact without requiring user interaction or complex attack conditions. There is currently no known active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 11.1.0, < 22.1.0CPE matchmatch criteria
cpe:2.3:a:twisted:twisted:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
35CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
36CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.31%
Probability of exploitation in next 30 days
EPSS Percentile
67.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0131 is in the 47th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (13)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: cm1 python-twisted 20.3.0-2 on CBL Mariner 1.0Fixed in: 20.3.0-2
microsoftpatch availablevia msrc
Product: 18798-16820Fixed in: 20.3.0-2
microsoftpatch availablevia msrc
Product: 17004-16823Fixed in: 22.2.0-1
microsoftpatch availablevia msrc
Product: cbl2 python-twisted 22.2.0-1 on CBL Mariner 2.0Fixed in: 22.2.0-1
pippatch availablevia ghsa
Product: TwistedFixed in: 22.1.0
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 16.2Fixed in: python-twisted-0:16.4.1-19.el8ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 16.1Fixed in: python-twisted-0:16.4.1-19.el8ost
View patch
redhatno patchvia redhat_api
Product: Red Hat Ansible Automation Platform 2Fixed in: twisted[tls]
redhatno patchvia redhat_api
Product: Red Hat Ansible Automation Platform 1.2Fixed in: twisted[tls]
redhatend of lifevia redhat_api
Product: Red Hat Storage 3Fixed in: python-twisted-core
redhatend of lifevia redhat_api
Product: Red Hat Satellite 6Fixed in: python-twisted
redhatend of lifevia redhat_api
Product: Service Telemetry Framework 1.3 for RHEL 8Fixed in: python-twisted

Vendor Advisories (3)

microsoft2022-Feb/CVE-2022-21712Important

Cookie and header exposure in twisted

Feb 8, 2022
redhatCVE-2022-21712Moderate

dev-python/twisted: secret exposure in cross-origin redirects

Feb 8, 2022
pipGHSA-92x2-jw7w-xvvxhigh

Cookie and header exposure in twisted

Feb 7, 2022

References

lists.debian.org / debian-lts-announce/2022/02/msg00021.html
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6
security.gentoo.org / glsa/202301-02
github.com / twisted/twisted/commit/af8fe78542a6f2bf2235ccee8158d9c88d31e8e2
PatchThird Party Advisory
github.com / twisted/twisted/releases/tag/twisted-22.1.0
Release NotesThird Party Advisory
github.com / twisted/twisted/security/advisories/GHSA-92x2-jw7w-xvvx
Third Party Advisory