CVE-2022-24307
CRITICALCVSS 9.8/10EPSS 1.41%
Last modified
CVE-2022-24307 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.). EPSS estimates a 1.41% chance of exploitation in the next 30 days.
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.)
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Joinmastodon | Mastodon | < 3.3.2 |
| Joinmastodon | Mastodon | >= 3.4.0, < 3.4.6 |
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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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. (JSON-LD signing has been supported since version 1.6.0.)
How severe is CVE-2022-24307?
CVE-2022-24307 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.41% probability of exploitation in the next 30 days.
How do I fix CVE-2022-24307?
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-2022-24307?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST