CVE-2022-48364

Name: CVE-2022-48364
Creator: NVD / NIST
Published: 2023-03-06T14:15:09.463+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.69%

Last modified Jun 17, 2026

CVE-2022-48364 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. The undo_mark_statuses_as_sensitive method in app/services/approve_appeal_service.rb in Mastodon 3.5.x before 3.5.3 does not use the server's representative account, resulting in moderator identity disclosure when a moderator approves the appeal of a user whose status update was marked as sensitive.. EPSS estimates a 0.69% chance of exploitation in the next 30 days.

Description

The undo_mark_statuses_as_sensitive method in app/services/approve_appeal_service.rb in Mastodon 3.5.x before 3.5.3 does not use the server's representative account, resulting in moderator identity disclosure when a moderator approves the appeal of a user whose status update was marked as sensitive.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.69%

47.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Joinmastodon	Mastodon	>= 3.5.0, < 3.5.3

References

https://github.com/40826d/advisories/blob/master/CVE-2022-48364/README.mdExploit, Third Party Advisory
https://github.com/mastodon/mastodon/blob/main/CHANGELOG.md#353---2022-05-26Release Notes
https://github.com/mastodon/mastodon/compare/v3.5.2...v3.5.3Patch, Product
https://github.com/mastodon/mastodon/pull/18525Patch
https://github.com/40826d/advisories/blob/master/CVE-2022-48364/README.mdExploit, Third Party Advisory
https://github.com/mastodon/mastodon/blob/main/CHANGELOG.md#353---2022-05-26Release Notes
https://github.com/mastodon/mastodon/compare/v3.5.2...v3.5.3Patch, Product
https://github.com/mastodon/mastodon/pull/18525Patch

Timeline

Published: Mar 6, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-48364?

How severe is CVE-2022-48364?

CVE-2022-48364 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.69% probability of exploitation in the next 30 days.

How do I fix CVE-2022-48364?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-48364?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST