How severe is CVE-2022-2321?

CVE-2022-2321 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-2321 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-2321?

CVE-2022-2321 affects Heroiclabs Nakama. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-2321?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-2321 published?

CVE-2022-2321 was published on 2022-07-05 and last updated on 2026-06-17.

CVE-2022-2321

CVE-2022-2321 is a critical-severity vulnerability in Heroiclabs Nakama with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-307.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Heroiclabs Nakama
Published: 2022-07-05
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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.
How severe is CVE-2022-2321?: CVE-2022-2321 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-2321 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-2321?: CVE-2022-2321 affects Heroiclabs Nakama. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-2321?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-2321 published?: CVE-2022-2321 was published on 2022-07-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:heroiclabs:nakama:*:*:*:*:*:*:*:*

More vulnerabilities in Heroiclabs Nakama

CVE-2022-2306 — High (CVSS 7.5): Old session tokens can be used to authenticate to the application and send authenticated requests.

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