Vulnerability Description
Mastodon is a self-hosted, federated microblogging platform. Starting in version 2.6.0 and prior to versions 4.1.18 and 4.2.10, by crafting specific activities, an attacker can extend the audience of a post they do not own to other Mastodon users on a target server, thus gaining access to the contents of a post not intended for them. Versions 4.1.18 and 4.2.10 contain a patch for this issue.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Joinmastodon | Mastodon | >= 2.6.0, < 4.1.18 |
Related Weaknesses (CWE)
References
- https://github.com/mastodon/mastodon/commit/a1c7aae28aecf06659c5b18cfa131b37cd15Patch
- https://github.com/mastodon/mastodon/commit/d4bf22b632ea8b1174375c4966a6768ab663Patch
- https://github.com/mastodon/mastodon/releases/tag/v4.1.18Release Notes
- https://github.com/mastodon/mastodon/releases/tag/v4.2.10Release Notes
- https://github.com/mastodon/mastodon/security/advisories/GHSA-xjvf-fm67-4qc3Vendor Advisory
- https://github.com/mastodon/mastodon/commit/a1c7aae28aecf06659c5b18cfa131b37cd15Patch
- https://github.com/mastodon/mastodon/commit/d4bf22b632ea8b1174375c4966a6768ab663Patch
- https://github.com/mastodon/mastodon/releases/tag/v4.1.18Release Notes
- https://github.com/mastodon/mastodon/releases/tag/v4.2.10Release Notes
- https://github.com/mastodon/mastodon/security/advisories/GHSA-xjvf-fm67-4qc3Vendor Advisory
FAQ
What is CVE-2024-37903?
CVE-2024-37903 is a vulnerability with a CVSS score of 8.2 (HIGH). Mastodon is a self-hosted, federated microblogging platform. Starting in version 2.6.0 and prior to versions 4.1.18 and 4.2.10, by crafting specific activities, an attacker can extend the audience of ...
How severe is CVE-2024-37903?
CVE-2024-37903 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-37903?
Check the references section above for vendor advisories and patch information. Affected products include: Joinmastodon Mastodon.