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CVE-2022-32215

52
FAUCET Score

CVE-2022-32215 describes an HTTP Request Smuggling (HRS) vulnerability in the llhttp parser within Node.js versions prior to 14.20.1, 16.17.1, and 18.9.1, affecting various products including Debian, Fedora, and Siemens. With a CVSS score of 6.5 (Medium), this vulnerability is network-exploitable with low attack complexity, potentially leading to information disclosure and integrity impacts. Despite its high EPSS and FAUCET Risk Score, there is currently no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 14.0, < 14.20.1CPE match
cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*
>= 16.0, < 16.17.1CPE match
cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*
>= 18.0, < 18.9.1CPE match
cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*
>= 14.0.0, < 14.20.1CPE matchmatch criteria
cpe:2.3:a:llhttp:llhttp:*:*:*:*:*:node.js:*:*
>= 16.0.0, < 16.17.1CPE 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
68.80%
Probability of exploitation in next 30 days
EPSS Percentile
99.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.6880 is in the 100th percentile among its peer group of 23,701 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 (11)

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: cm1 nodejs 14.20.0-1 on CBL Mariner 1.0Fixed in: 14.20.0-1
microsoftpatch availablevia msrc
Product: cbl2 nodejs 16.16.0-1 on CBL Mariner 2.0Fixed in: 16.16.0-1
microsoftpatch availablevia msrc
Product: azl3 rust 1.75.0-1 on Azure Linux 3.0Fixed in: 1.75.0-1
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 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
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Extended Update SupportFixed in: nodejs:14-8040020220804130254.522a0ee4
View patch

Vendor Advisories (2)

microsoft2022-Jul/CVE-2022-32215Moderate

The llhttp parser <v14.20.1 <v16.17.1 and <v18.9.1 in the http module in Node.js does not correctly handle multi-line Transfer-Encoding headers. This can lead to HTTP Request Smuggling (HRS).

Jul 12, 2022
redhatCVE-2022-32215Moderate

nodejs: HTTP request smuggling due to incorrect parsing of multi-line Transfer-Encoding

Jul 8, 2022

References

cert-portal.siemens.com / productcert/pdf/ssa-332410.pdf
PatchThird Party Advisory
hackerone.com / reports/1501679
ExploitIssue TrackingThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/2ICG6CSIB3GUWH5DUSQEVX53MOJW7LYK
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/QCNN3YG2BCLS4ZEKJ3CLSUT6AS7AXTH3
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/VMQK5L5SBYD47QQZ67LEMHNQ662GH3OY
nodejs.org / en/blog/vulnerability/july-2022-security-releases
PatchVendor Advisory
debian.org / security/2023/dsa-5326
Third Party Advisory