CVE-2021-22942

MEDIUM
6.1
CVSS Score
Published: October 18, 2021 at 12:00 AM UTC
Updated: June 17, 2026 at 03:38 AM UTC
1 product affected across 1 vendorRails

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Severity
MEDIUM6.1
Exploit prediction
EPSS 2%

Description

A possible open redirect vulnerability in the Host Authorization middleware in Action Pack >= 6.0.0 that could allow attackers to redirect users to a malicious website.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.0.0 ≤ v < 6.0.4.16.1.0 ≤ v < 6.1.4.16.0.4.16.1.4.1
Affected range stops below 6.0.4.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.4.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-601

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