Medium severity · published Jan 10, 2022
CVE-2021-44528
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…
6.1
CVSS
4.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)4.2% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RA
Rails · Rubyonrails
6.0.4.2; 6.1.4.2; 7.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-44528
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-44528
Patch
https://github.com/rails/rails/commit/0fccfb9a3097a9c4260c791f1a40b128517e7815
security.netapp.com
https://security.netapp.com/advisory/ntap-20240208-0003/
www.debian.org
https://www.debian.org/security/2023/dsa-5372
More from Rails
7.5
CVE-2019-5418
Rails Ruby on Rails Path Traversal Vulnerability
7.5
CVE-2016-0752
Directory traversal vulnerability in Action View in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 allows…
7.5
CVE-2014-0130
Directory traversal vulnerability in actionpack/lib/abstract_controller/base.rb in the implicit-render implementation in Ruby on Rails before 3.2.18, 4.0.x before 4.0.5, and 4.1.x…
9.8
CVE-2026-33195
Rails Active Storage has possible Path Traversal in DiskService
9.8
CVE-2024-28103
Action Pack is a framework for handling and responding to web requests