CVE-2025-27157
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| mastodon | mastodon | >= 4.2.0, < 4.2.16 | affected |
| mastodon | mastodon | >= 4.3.0, < 4.3.4 | affected |
Weaknesses
- CWE-770: CWE-770: Allocation of Resources Without Limits or Throttling
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
- https://github.com/mastodon/mastodon/security/advisories/GHSA-v39f-c9jj-8w7h
- https://github.com/mastodon/mastodon/commit/06f879ce9bea195344ac9f71e6799eea500628ec
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