CVE-2018-21018

CRITICAL

Mastodon < 2.6.3 - Insufficient Session Expiration

Title source: llm
STIX 2.1

Description

Mastodon before 2.6.3 mishandles timeouts of incompletely established sessions.

References (4)

Core 4
Core References
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/tootsuite/mastodon/releases/tag/v2.6.2
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/tootsuite/mastodon/releases/tag/v2.6.3
Patch, Third Party Advisory x_refsource_misc
https://github.com/tootsuite/mastodon/pull/9329
Patch, Third Party Advisory x_refsource_misc
https://github.com/tootsuite/mastodon/pull/9381

Scores

CVSS v3 9.8
EPSS 0.0256
EPSS Percentile 83.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-613
Status published
Products (1)
joinmastodon/mastodon < 2.6.3
Published Sep 22, 2019
Tracked Since Feb 18, 2026