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Test ID:1.3.6.1.4.1.25623.1.0.147389
Category:Denial of Service
Title:Discourse < 2.7.12 DoS Vulnerability
Summary:Discourse is prone to a denial of service (DoS) vulnerability.
Description:Summary:
Discourse is prone to a denial of service (DoS) vulnerability.

Vulnerability Insight:
Admins users can trigger a Denial of Service attack via the
/message-bus/_diagnostics path. The impact of this vulnerability is greater on multisite
Discourse instances (where multiple forums are served from a single application server) where any
admin user on any of the forums are able to visit the /message-bus/_diagnostics path.

Affected Software/OS:
Discourse prior to version 2.7.12.

Solution:
Update to version 2.7.12 or later.

CVSS Score:
4.0

CVSS Vector:
AV:N/AC:L/Au:S/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-43850
https://github.com/discourse/discourse/security/advisories/GHSA-59jr-pj65-qmvr
https://github.com/discourse/discourse/commit/7a8ec129fb54f188b2da6588c9d24d3a36eb0d39
CopyrightCopyright (C) 2022 Greenbone Networks GmbH

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