Vulnerability · Published Sep 29, 2023 · Assigned by STAR_Labs

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

High 7.5

In plain English

A high-severity security flaw in NodeBB from NodeBB, Inc.. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 58.7% (higher than 99.1% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)58.7%top 0.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
NodeBB, Inc. NodeBB 0 – through 2.8.10

Weakness: CWE-241 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References