CVE-2022-2166 json
Improper Restriction of Excessive Authentication Attempts in mastodon/mastodon
published 2022-11-16 3 y ago modified 2026-09-08 2 mo ago also BIT-mastodon-2022-2166 , EUVD-2022-34451
- cvss
- 9.8
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known
Summary
Improper Restriction of Excessive Authentication Attempts in GitHub repository mastodon/mastodon prior to 4.0.0.
Patch / fix
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 18 mo ago
Exploit prediction
1.13% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| OSV | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | mastodon | <3.5.6 |
3.5.6 |
Affected products
- mastodon mastodon/mastodon
Classification
- Weakness
-
- CWE-307 Improper Restriction of Excessive Authentication Attempts
References
-
github.com
/mastodon/mastodon/commit/21fd25a269cca742af431f0d13299e139f267346
patch, third-party-advisory, advisory
-
huntr.dev
/bounties/2f96f990-01c2-44ea-ae47-58bdb3aa455b
third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2022-2166
web
Sources
- CVE List CVE-2022-2166
- NVD CVE-2022-2166
- OSV BIT-mastodon-2022-2166
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