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CVE-2022-44572

25
FAUCET Score

CVE-2022-44572 is a denial of service vulnerability in the multipart parsing component of Rack, affecting versions prior to 2.0.9.2, 2.1.4.2, 2.2.4.1, and 3.0.0.1, including virtually all Rails applications. An unauthenticated attacker can craft specific input to cause RFC2183 multipart boundary parsing to consume excessive processing time, leading to a denial of service. This vulnerability has a CVSS score of 7.5 (High) due to its network attack vector, low attack complexity, and high impact on availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.9.2CPE matchmatch criteria
cpe:2.3:a:rack:rack:*:*:*:*:*:ruby:*:*
>= 2.1.0, < 2.1.4.2CPE matchmatch criteria
cpe:2.3:a:rack:rack:*:*:*:*:*:ruby:*:*
>= 2.2.0, < 2.2.4.1CPE matchmatch criteria
cpe:2.3:a:rack:rack:*:*:*:*:*:ruby:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.62%
Probability of exploitation in next 30 days
EPSS Percentile
73.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0162 is in the 56th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

redhatpatch availablevia redhat_api
Product: Red Hat Satellite 6.14 for RHEL 8Fixed in: rubygem-rack-0:2.2.7-1.el8sat
View patch
rubygemspatch availablevia ghsa
Product: rackFixed in: 2.0.9.2
rubygemspatch availablevia ghsa
Product: rackFixed in: 2.1.4.2
rubygemspatch availablevia ghsa
Product: rackFixed in: 2.2.6.1
rubygemspatch availablevia ghsa
Product: rackFixed in: 3.0.4.1

Vendor Advisories (2)

redhatCVE-2022-44572Moderate

rubygem-rack: denial of service in Content-Disposition parsing

Jan 20, 2023
rubygemsGHSA-rqv2-275x-2jq5low

Denial of service via multipart parsing in Rack

Jan 18, 2023

References

hackerone.com / reports/1639882
Permissions RequiredThird Party Advisory
security.netapp.com / advisory/ntap-20231208-0014
debian.org / security/2023/dsa-5530