CVE-2018-21018

—

CVSS 3.1

9.8 critical

EPSS

3%p84

Published

Sep 22, 2019 (Sep 22, 2019)

Modified

Jun 17, 2026

Description

Mastodon before 2.6.3 mishandles timeouts of incompletely established sessions.

Vendors: joinmastodon
Products: mastodon
Weakness: CWE-613
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.6%)

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