CVSS 3.1 Score 6.5 of 10 (medium)


Published Sep 15, 2023
Updated: Sep 21, 2023
CWE ID 770


CVE-2023-40588 is a vulnerability affecting Discourse, an open-source discussion platform. The vulnerability exists in versions prior to 3.1.1 of the stable branch and version 3.2.0.beta1 of the beta and tests-passed branches. It allows a malicious user to cause a denial of service for other users by adding a 2FA or security key with a specially crafted name to their account. The issue has been patched in the mentioned versions. There are no known workarounds for this vulnerability. The potential danger it poses to an organization is categorized as MEDIUM severity, with a base score of 6.5 out of 10, and an impact score of 3.6 out of 5, due to its potential for availability impact if exploited successfully over the network.

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