CVE-2021-43786

HIGH
Published Nov 29, 20214y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Nov 29, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

Description

Nodebb is an open source Node.js based forum software. In affected versions incorrect logic present in the token verification step unintentionally allowed master token access to the API. The vulnerability has been patch as of v1.18.5. Users are advised to upgrade as soon as possible.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-287 Improper Authentication Authentication

Affected Products 1

VendorProductVersionRange
nodebbnodebb*≥1.15.0  –  ≤1.18.4

References 4

  • blog.sonarsource.com https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/
    ExploitThird Party Advisory
  • github.com https://github.com/NodeBB/NodeBB/commit/04dab1d550cdebf4c1567bca9a51f8b9ca48a500
    PatchThird Party Advisory
  • github.com https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5
    Release NotesThird Party Advisory
  • github.com https://github.com/NodeBB/NodeBB/security/advisories/GHSA-hf2m-j98r-4fqw
    Third Party Advisory

Remediation

  • github.com https://github.com/NodeBB/NodeBB/commit/04dab1d550cdebf4c1567bca9a51f8b9ca48a500
    PatchThird Party Advisory