PT-2022-15014 · Mastodon · Mastodon

Published 2022-11-16 · Updated 2025-11-06 · CVE-2022-2166

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Mastodon versions prior to 4.0.0

Description The issue is related to improper restriction of excessive authentication attempts.

Recommendations For versions prior to 4.0.0, update to version 4.0.0 or later to resolve the issue.

Exploit

Fix

Improper Restriction of Excessive Authentication Attempts

Weakness Enumeration

CWE-307

Related Identifiers

BIT-MASTODON-2022-2166

CVE-2022-2166

Affected Products

Mastodon

References · 6

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/2xxx/CVE-2022-2166.json · Exploit
• https://github.com/mastodon/mastodon/commit/21fd25a269cca742af431f0d13299e139f267346 · Patch
• https://osv.dev/vulnerability/CVE-2022-2166 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-2166 · Security Note
• https://osv.dev/vulnerability/BIT-mastodon-2022-2166 · Vendor Advisory
• https://huntr.dev/bounties/2f96f990-01c2-44ea-ae47-58bdb3aa455b · Note