Undici
CVE-2022-32210
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V12 - Secure Communication Certificate validation
|
| Impact | CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| 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.ProxyAgent never verifies the remote server's certificate, and always exposes all request & response data to the proxy. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. 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-295. Undici.ProxyAgent never verifies the remote server's certificate, and always exposes all request & response data to the proxy. This unexpectedly means that proxies can MitM all HTTPS traffic, and if the proxy's URL is HTTP then it also means that nominally HTTPS requests are actually sent via plain-text HTTP between Undici and the proxy server. Affected products include: Nodejs Undici.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Undici.ProxyAgent never verifies the remote server's certificate, and always exposes all request & response data to the proxy. This unexpectedly means that proxies can MitM all HTTPS traffic, and if the proxy's URL is HTTP then it also means that nominally HTTPS requests are actually sent via plain-text HTTP between Undici and the proxy server.
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
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
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
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
TLS certificate validation bypass in undici's BalancedPool dispatcher silently discards function-valued options - includ
NVD
CVE.org
EPSS
GitHub
Exploit-DB