CVE-2022-46405

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Published Dec 4, 2022 CVSS 3.1 · 7.5 High EPSS 1.0% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:joinmastodon:mastodon:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2022-49214	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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: 1.0% (1.001% probability within 30 days)

Exploitation poc

Automatable yes

Technical Impact partial

References

Link	Providers
https://borg.social/notes/98bcoo2t1n
https://hackmd.io/rD9nsTz1QeuPT-erxqjY-A

History

Apr 24, 2025 4:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Joinmastodon Mastodon

Weaknesses

CWE-674

Sources

CVE record Updated: Apr 24, 2025, 3:19 PM

Status: PUBLISHED
Assigner: mitre
Published: Dec 4, 2022, 12:00 AM
Updated: Apr 24, 2025, 3:19 PM
Reserved: Dec 4, 2022, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 3, 2024, 2:31 PM

Updated: Aug 3, 2024, 2:31 PM

NVD Updated: Jun 17, 2026, 5:11 AM

Status: Modified
Published: Dec 4, 2022, 4:15 AM
Modified: Jun 17, 2026, 5:11 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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