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CVE-2023-30591— NodeBB Pre-Authentication Denial-of-Service

Quick assessment

Affected
NodeBB, Inc. NodeBB
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NodeBB是Design Create Play团队的一套使用Node.js（一套建立在Google V8 JavaScript引擎之上的网络应用平台）构建的论坛系统。 NodeBB v2.8.10版本及之前版本存在代码问题漏洞。攻击者利用该漏洞导致系统崩溃。

CVSS 7.5 · High EPSS 53.80% · P99

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-30591

Vulnerability Information
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Vulnerability Title
NodeBB Pre-Authentication Denial-of-Service
Source: CVE Program / CVE List V5
Vulnerability Description
Denial-of-service in NodeBB <= v2.8.10 allows unauthenticated attackers to trigger a crash, when invoking `eventName.startsWith()` or `eventName.toString()`, while processing Socket.IO messages via crafted Socket.IO messages containing array or object type for the event name respectively.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
非预期数据类型处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
NodeBB 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NodeBB是Design Create Play团队的一套使用Node.js（一套建立在Google V8 JavaScript引擎之上的网络应用平台）构建的论坛系统。 NodeBB v2.8.10版本及之前版本存在代码问题漏洞。攻击者利用该漏洞导致系统崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NodeBB, Inc. NodeBB 0 ~ 2.8.10 -

II. Public POCs for CVE-2023-30591

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 6660 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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Exploit chain & mitigation
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III. Intelligence Information for CVE-2023-30591

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Patches & Fixes for CVE-2023-30591 (3)

Other References for CVE-2023-30591 (1)

IV. Related Vulnerabilities

Same product: NodeBB
Same weakness: CWE-241

V. Comments for CVE-2023-30591

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