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CVE-2022-32214

67
FAUCET Score

CVE-2022-32214 is an HTTP Request Smuggling (HRS) vulnerability affecting Node.js versions prior to 14.20.1, 16.17.1, and 18.9.1, specifically within the llhttp parser in its http module. The flaw stems from the parser not strictly enforcing CRLF for HTTP request delimitation. This vulnerability carries a CVSS score of 6.5 (MEDIUM) with a low attack complexity and no user interaction required, potentially leading to partial confidentiality and integrity impacts. While its FAUCET Risk Score is high at 96/100, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 14.0, < 14.20.0CPE match
cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*
>= 16.0, < 16.20.0CPE match
cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*
>= 18.0, < 18.5.0CPE match
cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*
< 2.1.5CPE matchmatch criteria
cpe:2.3:a:llhttp:llhttp:*:*:*:*:*:node.js:*:*
>= 6.0.0, < 6.0.7CPE matchmatch criteria
cpe:2.3:a:llhttp:llhttp:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
81.46%
Probability of exploitation in next 30 days
EPSS Percentile
99.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.8146 is in the 100th percentile among its peer group of 23,701 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (12)

microsoftpatch availablevia msrc
Product: cm1 nodejs 14.20.0-1 on CBL Mariner 1.0Fixed in: 14.20.0-1
microsoftpatch availablevia msrc
Product: azl3 rust 1.75.0-1 on Azure Linux 3.0Fixed in: 1.75.0-1
microsoftpatch availablevia msrc
Product: 18658-16820Fixed in: 14.20.0-1
microsoftpatch availablevia msrc
Product: 18659-16823Fixed in: 16.16.0-1
microsoftpatch availablevia msrc
Product: 17735-17084Fixed in: 1.75.0-1
microsoftpatch availablevia msrc
Product: cbl2 nodejs 16.16.0-1 on CBL Mariner 2.0Fixed in: 16.16.0-1
npmpatch availablevia ghsa
Product: llhttpFixed in: 6.0.7
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: nodejs-1:16.16.0-1.el9_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-nodejs14-nodejs-0:14.20.0-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Extended Update SupportFixed in: nodejs:14-8040020220804130254.522a0ee4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: nodejs:14-8060020220804102127.ad008a3a
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: nodejs:16-8060020220805104227.ad008a3a
View patch

Vendor Advisories (3)

npmGHSA-q5vx-44v4-gch4critical

llhttp allows HTTP Request Smuggling via Improper Delimiting of Header Fields

Jul 15, 2022
microsoft2022-Jul/CVE-2022-32214Moderate

The llhttp parser <v14.20.1 <v16.17.1 and <v18.9.1 in the http module in Node.js does not strictly use the CRLF sequence to delimit HTTP requests. This can lead to HTTP Request Smuggling (HRS).

Jul 12, 2022
redhatCVE-2022-32214Moderate

nodejs: HTTP request smuggling due to improper delimiting of header fields

Jul 8, 2022

References

hackerone.com / reports/1524692
ExploitIssue TrackingThird Party Advisory
nodejs.org / en/blog/vulnerability/july-2022-security-releases
PatchVendor Advisory
debian.org / security/2023/dsa-5326
Third Party Advisory