What is CVE-2022-2321?

CVE-2022-2321 is a critical-severity vulnerability in Heroiclabs Heroiclabs/nakama, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2022-07-05.

How severe is CVE-2022-2321?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Heroiclabs Heroiclabs/nakama

CVE-2022-2321

Improper Restriction of Excessive Authentication Attempts in GitHub repository heroiclabs/nakama prior to 3.13.0. This results in login brute-force attacks.

Published 2022-07-05 · last modified 2026-06-17.

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: 0.016 (74.6th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.016 · change: +0.000

Affected products

Heroiclabs Heroiclabs/nakama — versions unspecified
Heroiclabs Nakama

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

huntr.dev/bounties/3055b3f5-6b80-4d47-8e00-3500dfb458bc (Exploit, Patch, Third Party Advisory)
github.com/heroiclabs/nakama/commit/e2e02fce80ff33ce45f8a6ebc0b7a99ee0b03824 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-2321?: CVE-2022-2321 is a critical-severity vulnerability in Heroiclabs Heroiclabs/nakama, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2022-07-05.
How severe is CVE-2022-2321?: Critical severity. CVSS v3 base score is 9.8 out of 10.