Loading...
Skip to main content
GeekWala

CVE-2022-45442 — Vulnerability in sinatra — CVE Details

HIGH

Sinatra vulnerable to Reflected File Download attack

Published November 30, 2022Updated February 4, 2026Source: osv

Summary

### Description An issue was discovered in Sinatra 2.0 before 2.2.3 and 3.0 before 3.0.4. An application is vulnerable to a reflected file download (RFD) attack that sets the Content-Disposition header of a response when the filename is derived from user-supplied input. ### References * https://www.blackhat.com/docs/eu-14/materials/eu-14-Hafif-Reflected-File-Download-A-New-Web-Attack-Vector.pdf * https://github.com/advisories/GHSA-8x94-hmjh-97hq

Advisory Timeline

  • First published November 30, 2022 (1412 days ago).
  • Last revised February 4, 2026 — 1161 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Bundler
Update sinatra to 2.2.3 or later
gem install sinatra -v 2.2.3
Bundler
Update sinatra to 3.0.4 or later
gem install sinatra -v 3.0.4

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (2)

Affects 1 ecosystem: rubygems (1).

PackageEcosystemAffectedFixed In
sinatra
rubygems
2.0.0, 2.0.1, 2.0.1.rc1, 2.0.2 (+11 more)2.2.3
sinatra
rubygems
3.0.0, 3.0.1, 3.0.2, 3.0.33.0.4

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2022-45442?
Sinatra vulnerable to Reflected File Download attack This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.8/10).
How do I check if my project is affected by CVE-2022-45442?
CVE-2022-45442 affects sinatra. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2022-45442 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
8.8

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-2x8x-jmrp-phxw

Related CVEs

More RubyGems advisories

Check if you're affected

Scan your dependencies to see if this vulnerability affects your projects.

Scan Your Dependencies