CVE-2024-23832

CRITICAL

Mastodon < 3.5.17 - Authentication Bypass by Spoofing

Title source: rule
STIX 2.1

Description

Mastodon is a free, open-source social network server based on ActivityPub Mastodon allows configuration of LDAP for authentication. Due to insufficient origin validation in all Mastodon, attackers can impersonate and take over any remote account. Every Mastodon version prior to 3.5.17 is vulnerable, as well as 4.0.x versions prior to 4.0.13, 4.1.x version prior to 4.1.13, and 4.2.x versions prior to 4.2.5.

References (3)

Core 3

Scores

CVSS v3 9.4
EPSS 0.0176
EPSS Percentile 82.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-290
Status published
Products (1)
joinmastodon/mastodon < 3.5.17
Published Feb 01, 2024
Tracked Since Feb 18, 2026