CVE-2022-32213

nodejs: HTTP request smuggling due to flawed parsing of Transfer-Encoding

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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

El analizador llhttp anteriores a la versión v14.20.1, anteriores a la versión v16.17.1 y anteriores a la versión v18.9.1 del módulo http en Node.js no analiza y valida correctamente las cabeceras Transfer-Encoding y puede dar lugar a HTTP Request Smuggling (HRS)

A vulnerability was found in NodeJS due to improper validation of HTTP requests. The llhttp parser in the http module does not correctly parse and validate Transfer-Encoding headers. This issue can lead to HTTP Request Smuggling (HRS), causing web cache poisoning, and conducting XSS attacks.

An update that fixes four vulnerabilities is now available. This update for nodejs14 fixes the following issues. Fixed DNS rebinding in --inspect via invalid IP addresses. Fixed HTTP request smuggling due to flawed parsing of Transfer-Encoding. Fixed HTTP request smuggling due to improper delimiting of header fields. Fixed HTTP request smuggling due to incorrect parsing of multi-line Transfer-Encoding.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-06-01 CVE Reserved
2022-07-14 CVE Published
2025-04-30 CVE Updated
2025-04-30 First Exploit
2025-07-08 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

CAPEC

References (9)

URL	Tag	Source

URL	Date	SRC
https://hackerone.com/reports/1524555	2025-04-30

URL	Date	SRC
https://cert-portal.siemens.com/productcert/pdf/ssa-332410.pdf	2023-11-07
https://nodejs.org/en/blog/vulnerability/july-2022-security-releases	2023-11-07

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ICG6CSIB3GUWH5DUSQEVX53MOJW7LYK	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QCNN3YG2BCLS4ZEKJ3CLSUT6AS7AXTH3	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VMQK5L5SBYD47QQZ67LEMHNQ662GH3OY	2023-11-07
https://www.debian.org/security/2023/dsa-5326	2023-11-07
https://access.redhat.com/security/cve/CVE-2022-32213	2022-10-18
https://bugzilla.redhat.com/show_bug.cgi?id=2105430	2022-10-18

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Llhttp Search vendor "Llhttp"		Llhttp Search vendor "Llhttp" for product "Llhttp"				< 2.1.5 Search vendor "Llhttp" for product "Llhttp" and version " < 2.1.5"		node.js		Affected
Llhttp Search vendor "Llhttp"		Llhttp Search vendor "Llhttp" for product "Llhttp"				>= 6.0.0 < 6.0.7 Search vendor "Llhttp" for product "Llhttp" and version " >= 6.0.0 < 6.0.7"		node.js		Affected
Nodejs Search vendor "Nodejs"		Node.js Search vendor "Nodejs" for product "Node.js"				>= 14.0.0 <= 14.14.0 Search vendor "Nodejs" for product "Node.js" and version " >= 14.0.0 <= 14.14.0"		-		Affected
Nodejs Search vendor "Nodejs"		Node.js Search vendor "Nodejs" for product "Node.js"				>= 14.15.0 < 14.20.1 Search vendor "Nodejs" for product "Node.js" and version " >= 14.15.0 < 14.20.1"		lts		Affected
Nodejs Search vendor "Nodejs"		Node.js Search vendor "Nodejs" for product "Node.js"				>= 16.0.0 <= 16.12.0 Search vendor "Nodejs" for product "Node.js" and version " >= 16.0.0 <= 16.12.0"		-		Affected
Nodejs Search vendor "Nodejs"		Node.js Search vendor "Nodejs" for product "Node.js"				>= 16.13.0 < 16.17.1 Search vendor "Nodejs" for product "Node.js" and version " >= 16.13.0 < 16.17.1"		lts		Affected
Nodejs Search vendor "Nodejs"		Node.js Search vendor "Nodejs" for product "Node.js"				>= 18.0.0 < 18.9.1 Search vendor "Nodejs" for product "Node.js" and version " >= 18.0.0 < 18.9.1"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				35 Search vendor "Fedoraproject" for product "Fedora" and version "35"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				36 Search vendor "Fedoraproject" for product "Fedora" and version "36"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				37 Search vendor "Fedoraproject" for product "Fedora" and version "37"		-		Affected
Siemens Search vendor "Siemens"		Sinec Ins Search vendor "Siemens" for product "Sinec Ins"				1.0 Search vendor "Siemens" for product "Sinec Ins" and version "1.0"		-		Affected
Siemens Search vendor "Siemens"		Sinec Ins Search vendor "Siemens" for product "Sinec Ins"				1.0 Search vendor "Siemens" for product "Sinec Ins" and version "1.0"		sp1		Affected
Siemens Search vendor "Siemens"		Sinec Ins Search vendor "Siemens" for product "Sinec Ins"				1.0 Search vendor "Siemens" for product "Sinec Ins" and version "1.0"		sp2		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0"		-		Affected
Stormshield Search vendor "Stormshield"		Stormshield Management Center Search vendor "Stormshield" for product "Stormshield Management Center"				< 3.3.2 Search vendor "Stormshield" for product "Stormshield Management Center" and version " < 3.3.2"		-		Affected