Open Redirect in Https://github.com/rails/rails

CVE-2021-22881

The Host Authorization middleware in Action Pack before 6.1.2.1, 6.0.3.5 suffers from an open redirect vulnerability. Specially crafted `Host` headers in combination with certain "allowed host" formats can cause the Host Authorization midd…

Vulnerability class: Open Redirect

EPSS: 0.872 (99.7th percentile) — read the EPSS interpretation.

Affected products

  • N/a Https://github.com/rails/rails — versions Fixed in 6.1.2.1, 6.0.3.5

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-22881?
CVE-2021-22881 is a vulnerability in Https://github.com/rails/rails, classified under URL Redirection to Untrusted Site (Open Redirect). Published 2021-02-11.
Is CVE-2021-22881 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.