Home/CVE/A possible information disclosure / unintended method execution vulnerability in Action Pack >= 2.0.0 when using the `re
CVE

CVE-2021-22885

A possible information disclosure / unintended method execution vulnerability in Action Pack >= 2.0.0 when using the `re

A possible information disclosure / unintended method execution vulnerability in Action Pack >= 2.0.0 when using the redirect_to or polymorphic_urlhelper with untrusted user input.

HIGH · CVSS 7.5 EPSS 0.01264
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-209Generation of Error Message Containing Sensitive Information
CWE-209Generation of Error Message Containing Sensitive Information
▤

Affected Products & Versions

5
rubyonrails rails>= 5.2.0.0 and < 5.2.4.6
rubyonrails rails>= 6.0.0.0 and < 6.0.3.7
rubyonrails rails>= 6.1.0.0 and < 6.1.3.1
rubyonrails actionpack page-cachingall versions
debian linuxall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
RubyGems actionpack HIGH fixed in 6.0.3.7
⚠

Public Exploits & PoCs

1
pochackerone.com · 1106652hackerone.com
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumRuby on Rails Framework Exceptions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 May 2021 · 12:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
⚑

Vendor Advisories

9
suse-csafopenSUSE-SU-2024:11317-1
suse-csafopenSUSE-SU-2024:11318-1
suse-csafopenSUSE-SU-2024:11821-1
suse-csafSUSE-SU-2022:15116-1
suse-csafopenSUSE-SU-2021:1759-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://security.netapp.com/advisory/ntap-20210805-0009/Third Party Advisory
https://www.debian.org/security/2021/dsa-4929Third Party Advisory
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