CVE-2021-44528
MEDIUM6.1EPSS 28.6%actionpack Open Redirect in Host Authorization Middleware
Published: 12/14/2021Modified: 4/28/2026
Description
A open redirect vulnerability exists in Action Pack >= 6.0.0 that could allow an attacker to craft a "X-Forwarded-Host" headers in combination with certain "allowed host" formats can cause the Host Authorization middleware in Action Pack to redirect users to a malicious website.
Affected packages (3)
- Bitnami/rails>= 7.0.0-rc2, <= 7.0.0-rc2
- Debian/railsfrom 0, < 2:6.0.3.7+dfsg-2+deb11u1
- RubyGems/actionpack>= 6.0.0, < 6.0.4.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
References (12)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-44528
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-44528
- PATCHhttps://github.com/rails/rails
- WEBhttps://github.com/rails/rails/blob/v6.1.4.2/actionpack/CHANGELOG.md#rails-6142-december-14-2021
- WEBhttps://github.com/rails/rails/commit/0fccfb9a3097a9c4260c791f1a40b128517e7815
- WEBhttps://github.com/rails/rails/commit/aecba3c301b80e9d5a63c30ea1b287bceaf2c107
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2021-44528.yml
- WEBhttps://groups.google.com/g/ruby-security-ann/c/vG9gz3nk1pM/m/7-NU4MNrDAAJ
- WEBhttps://groups.google.com/g/ruby-security-ann/c/vG9gz3nk1pM/m/7-NU4MNrDAAJ?utm_medium=email&utm_source=footer
- WEBhttps://security.netapp.com/advisory/ntap-20240208-0003
- WEBhttps://security.netapp.com/advisory/ntap-20240208-0003/
- WEBhttps://www.debian.org/security/2023/dsa-5372