Improper access control in Mastodon

Published: 2022-02-07
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-24307
Exploitation vector Network
Public exploit N/A
Vulnerable software
Server applications / Other server solutions

Vendor Mastodon

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Improper access control

EUVDB-ID: #VU60352

Risk: High


CVE-ID: CVE-2022-24307

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No


The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.

The vulnerability exists due to improper access restrictions because it does not compact incoming signed JSON-LD activities. A remote attacker can send a specially crafted request and gain unauthorized access to the affected application.


Install update from vendor's website.

Vulnerable software versions

Mastodon: 3.3.0 - 3.4.5

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?