VULNERABILITY INTELLIGENCE

CVE-2022-46405

CVSS score7.5 HIGH

EPSS probability0.98%

CISA KEVNot currently listed

Published2022-12-04

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

Mastodon through 4.0.2 allows attackers to cause a denial of service (large Sidekiq pull queue) by creating bot accounts that follow attacker-controlled accounts on certain other servers associated with a wildcard DNS A record, such that there is uncontrolled recursion of attacker-generated messages.

Weakness classification

nvd@nist.gov: CWE-674
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-674

Primary references

cve@mitre.org — Issue Tracking, Third Party Advisory
cve@mitre.org — Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory