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CVE-2025-27157

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CVE-2025-27157

Published: Feb 27, 2025

Modified: Feb 27, 2025

PUBLISHED

CVSS v3.1

5.3

MEDIUM

Description

Mastodon is a self-hosted, federated microblogging platform. Starting in version 4.2.0 and prior to versions 4.2.16 and 4.3.4, the rate limits are missing on `/auth/setup`. Without those rate limits, an attacker can craft requests that will send an email to an arbitrary addresses. Versions 4.2.16 and 4.3.4 fix the issue.

VendorProductVersions

mastodon

mastodon

affected
>= 4.2.0, < 4.2.16
affected
>= 4.3.0, < 4.3.4

Weaknesses (CWE)

CWE-770

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

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