CVE-2021-22885
HIGH
7.5
CVSS Score
Published: May 27, 2021 at 11:15 AM UTC
Updated: June 17, 2026 at 03:37 AM UTC
3 products affected across 2 vendorsDebian LinuxRailsActionpack Page Caching
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Severity
HIGH7.5
Exploit prediction
EPSS 4%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%95%
All versions
Affected range stops below 5.2.4.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.0.3.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.3.1, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/1106652x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20210805-0009/Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2021/dsa-4929CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-209
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