CVE-2022-48364

low-risk
Published 2023-03-06

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.

Do I need to act?

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0.22% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Joinmastodon

References (8)

Exploit https://github.com/40826d/advisories/blob/master/CVE-2022-48364/README.md
Release Notes https://github.com/mastodon/mastodon/blob/main/CHANGELOG.md#353---2022-05-26
Patch https://github.com/mastodon/mastodon/compare/v3.5.2...v3.5.3
Patch https://github.com/mastodon/mastodon/pull/18525
Exploit https://github.com/40826d/advisories/blob/master/CVE-2022-48364/README.md
Release Notes https://github.com/mastodon/mastodon/blob/main/CHANGELOG.md#353---2022-05-26
Patch https://github.com/mastodon/mastodon/compare/v3.5.2...v3.5.3
Patch https://github.com/mastodon/mastodon/pull/18525
24
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal