Vulnerability in Joinmastodon Mastodon
CVE-2022-2166
Improper Restriction of Excessive Authentication Attempts in GitHub repository mastodon/mastodon prior to 4.0.0.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (65.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Joinmastodon Mastodon — versions 4.0.0
- Mastodon Mastodon/mastodon — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- huntr.dev/bounties/2f96f990-01c2-44ea-ae47-58bdb3aa455b (Third Party Advisory)
- github.com/mastodon/mastodon/commit/21fd25a269cca742af431f0d13299e139f267346 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-2166?
- CVE-2022-2166 is a critical-severity vulnerability in Joinmastodon Mastodon, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2022-11-16.
- How severe is CVE-2022-2166?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-2166 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.