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CVE

CVE-2022-21712

twisted is an event-driven networking engine written in Python. In affected versions twisted exposes cookies and authori

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.

HIGH · CVSS 7.5 EPSS 0.00241
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
CWE-346Origin Validation Error
▤

Affected Products & Versions

3
twisted>= 11.1.0 and < 22.1.0
debian linuxall versions
fedoraproject fedoraall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI twisted HIGH fixed in 22.1.0
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD07 Feb 2022 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

9
suse-csafopenSUSE-SU-2024:11841-1
suse-csafSUSE-SU-2022:4074-1
usnUSN-5354-1
suse-csafSUSE-SU-2022:0734-1
rhsaRHSA-2022:0982Important
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/twisted/twisted/commit/af8fe78542a6f2bf2235ccee8158d9c88d31e8e2PatchThird Party Advisory
https://github.com/twisted/twisted/releases/tag/twisted-22.1.0Release NotesThird 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/
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