VulnerabilityModified
CVE-2022-24307
Mastodon before 3.3.2 and 3.4.x before 3.4.6 has incorrect access control because it does not compact incoming signed JSON-LD activities.
CRITICAL 9.8EPSS 1.43%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Mastodon before 3.3.2 and 3.4.x before 3.4.6 has incorrect access control because it does not compact incoming signed JSON-LD activities. (JSON-LD signing has been supported since version 1.6.0.)
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.43% probability · 71th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-863
- Affected
- joinmastodon/mastodon
- Source
- cve@mitre.org
References
- https://github.com/mastodon/mastodon/releases/tag/v3.3.2Release Notes, Third Party Advisory
- https://github.com/mastodon/mastodon/releases/tag/v3.4.6Release Notes, Third Party Advisory
- https://github.com/mastodon/mastodon/releases/tag/v3.3.2Release Notes, Third Party Advisory
- https://github.com/mastodon/mastodon/releases/tag/v3.4.6Release Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.