Undici
CVE-2024-30260
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization verification
MITRE ATT&CK
1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 4.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, user interaction required. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system. |
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Alert meAnalysisAI
Undici is an HTTP/1.1 client, written from scratch for Node.js. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in npm
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified under CWE-285. Undici is an HTTP/1.1 client, written from scratch for Node.js. Undici cleared Authorization and Proxy-Authorization headers for fetch(), but did not clear them for undici.request(). This vulnerability was patched in version(s) 5.28.4 and 6.11.1. Affected products include: Nodejs Undici, Fedoraproject Fedora.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Undici is an HTTP/1.1 client, written from scratch for Node.js. Undici cleared Authorization and Proxy-Authorization headers for fetch(), but did not clear them for undici.request(). This vulnerability was patched in version(s) 5.28.4 and 6.11.1.
Blast Radius
ecosystem impact- 1 npm packages depend on undici (1 direct, 0 indirect)
Ecosystem-wide dependent count for version 6.0.0.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)NVD
undici is an HTTP/1.1 client, written from scratch for Node.js.`undici` is vulnerable to SSRF (Server-side Request Forge
Memory exhaustion denial of service in the undici WebSocket client (versions 6.17.0 and later) allows a malicious or com
Cross-user information disclosure in undici's cache interceptor allows authenticated users' responses to be served from
Cookie attribute injection in undici's setCookie function allows attacker-controlled domain values or unparsed array ent
Authorization headers are cleared on cross-origin redirect. Rated medium severity (CVSS 6.5), this vulnerability is remo
`Undici.ProxyAgent` never verifies the remote server's certificate, and always exposes all request & response data to th
CRLF injection in undici's HTTP/1.1 dispatcher enables HTTP header injection and potential request smuggling when applic
Undici is an HTTP/1.1 client for Node.js. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable,
undici is an HTTP/1.1 client, written from scratch for Node.js.`=< undici@5.8.0` users are vulnerable to _CRLF Injection
Cross-user information disclosure and a parse-time denial of service in undici's HTTP cache interceptor affect versions
Certificate pinning and custom TLS identity checks can be silently bypassed in undici versions 4.0.0 through 6.29.0, 7.0
Persistent cache poisoning and disclosure of user-specific responses affect undici 7.0.0 through 7.30.0 and 8.0.0 throug
NVD
CVE.org
EPSS
GitHub
VulDB
Exploit-DB