CVE-2021-22885
HIGH7.5EPSS 1.3%rails - security update
Published: 5/5/2021Modified: 4/28/2026
Description
A possible information disclosure / unintended method execution vulnerability in Action Pack >= 2.0.0 when using the `redirect_to` or `polymorphic_url`helper with untrusted user input.
Affected packages (3)
- Debian/railsfrom 0, < 2:6.0.3.7+dfsg-1
- Debian/railsfrom 0, < 2:4.2.7.1-1+deb9u5
- RubyGems/actionpack>= 6.0.0, < 6.0.3.7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
References (6)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-22885
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-22885
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2021-22885.yml
- WEBhttps://groups.google.com/g/rubyonrails-security/c/NiQl-48cXYI
- WEBhttps://hackerone.com/reports/1106652
- WEBhttps://security.netapp.com/advisory/ntap-20210805-0009