What is CVE-2022-21712?

CVE-2022-21712 is a high-severity vulnerability in Twisted, classified under Information Disclosure. CVSS score: 7.5/10. Published 2022-02-07.

How severe is CVE-2022-21712?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2022-21712 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Twisted

CVE-2022-21712

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 `twis…

Vulnerability class: Information Disclosure

EPSS: 0.002 (47.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Twisted — versions >= 11.1.0, < 22.1.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

https://github.com/twisted/twisted/security/advisories/GHSA-92x2-jw7w-xvvx (x_refsource_CONFIRM)
https://github.com/twisted/twisted/commit/af8fe78542a6f2bf2235ccee8158d9c88d31e8e2 (x_refsource_MISC)
https://github.com/twisted/twisted/releases/tag/twisted-22.1.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2022-21712?: CVE-2022-21712 is a high-severity vulnerability in Twisted, classified under Information Disclosure. CVSS score: 7.5/10. Published 2022-02-07.
How severe is CVE-2022-21712?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-21712 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.