Home/CVE/undici is an HTTP/1.1 client, written from scratch for Node.js. It is possible to inject CRLF sequences into request hea
CVE

CVE-2022-31150

undici is an HTTP/1.1 client, written from scratch for Node.js. It is possible to inject CRLF sequences into request hea

undici is an HTTP/1.1 client, written from scratch for Node.js. It is possible to inject CRLF sequences into request headers in undici in versions less than 5.7.1. A fix was released in version 5.8.0.

Sanitizing all HTTP headers from untrusted sources to eliminate \r\n is a workaround for this issue.

MEDIUM · CVSS 5.3 EPSS 0.00507
Schedule remediation
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-93Improper Neutralization of CRLF Sequences ('CRLF Injection')
▤

Affected Products & Versions

1
nodejs undici< 5.8.0
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm undici MODERATE fixed in 5.8.0
⚠

Public Exploits & PoCs

2
pocgithub.com · GHSA-3cvr-822r-rqccgithub.com
pochackerone.com · 409943hackerone.com
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD19 Jul 2022 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

5
suse-csafopenSUSE-SU-2024:12285-1
rhsaRHSA-2022:6696Critical
suse-csafSUSE-SU-2022:3250-1
suse-csafSUSE-SU-2022:3251-1
suse-csafSUSE-SU-2022:3196-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/nodejs/undici/releases/tag/v5.8.0Release NotesThird Party Advisory
https://security.netapp.com/advisory/ntap-20220915-0002/Third Party Advisory
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